12893957312 has 28 divisors (see below), whose sum is σ = 25649057160. Its totient is φ = 6431202816.

The previous prime is 12893957281. The next prime is 12893957333. The reversal of 12893957312 is 21375939821.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220118 + ... + 272469.

Almost surely, 2^12893957312 is an apocalyptic number.

It is an amenable number.

12893957312 is a deficient number, since it is larger than the sum of its proper divisors (12755099848).

12893957312 is an equidigital number, since it uses as much as digits as its factorization.

12893957312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493008 (or 492998 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The spelling of 12893957312 in words is "twelve billion, eight hundred ninety-three million, nine hundred fifty-seven thousand, three hundred twelve".