| ||||
|---|---|---|---|---|
| Cardinal | twelve | |||
| Ordinal | 12th (twelfth) | |||
| Numeral system | duodecimal | |||
| Factorization | 22 × 3 | |||
| Divisors | 1, 2, 3, 4, 6, 12 | |||
| Greek numeral | ΙΒ´ | |||
| Roman numeral | XII | |||
| Greek prefix | dodeca- | |||
| Latin prefix | duodeca- | |||
| Binary | 11002 | |||
| Ternary | 1103 | |||
| Senary | 206 | |||
| Octal | 148 | |||
| Duodecimal | 1012 | |||
| Hexadecimal | C16 | |||
| Malayalam | ൰൨ | |||
| Bengali | ১২ | |||
| Hebrew numeral | י"ב | |||
| Babylonian numeral | 𒌋𒐖 | |||
12 (twelve) is the natural number following 11 and preceding 13. Twelve is a superior highly composite number, divisible by the numbers from 1 to 4, and 6.
It is central to many systems of timekeeping, including the Western calendar and units of time of day, and frequently appears in the world's major religions.