12256958659 has 12 divisors (see below), whose sum is σ = 13476980440. Its totient is φ = 11139004800.

The previous prime is 12256958641. The next prime is 12256958671. The reversal of 12256958659 is 95685965221.

It is not a de Polignac number, because 12256958659 - 2²⁹ = 11720087747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12256958699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391612 + ... + 421750.

Almost surely, 2^12256958659 is an apocalyptic number.

12256958659 is a deficient number, since it is larger than the sum of its proper divisors (1220021781).

12256958659 is a wasteful number, since it uses less digits than its factorization.

12256958659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33522 (or 33511 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 58.

The spelling of 12256958659 in words is "twelve billion, two hundred fifty-six million, nine hundred fifty-eight thousand, six hundred fifty-nine".