12256852013 has 24 divisors (see below), whose sum is σ = 14756451840. Its totient is φ = 10140348960.

The previous prime is 12256852009. The next prime is 12256852043. The reversal of 12256852013 is 31025865221.

It is not a de Polignac number, because 12256852013 - 2² = 12256852009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256852043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 580520 + ... + 601262.

It is an arithmetic number, because the mean of its divisors is an integer number (614852160).

Almost surely, 2^12256852013 is an apocalyptic number.

It is an amenable number.

12256852013 is a deficient number, since it is larger than the sum of its proper divisors (2499599827).

12256852013 is a wasteful number, since it uses less digits than its factorization.

12256852013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21177 (or 21170 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 12256852013 in words is "twelve billion, two hundred fifty-six million, eight hundred fifty-two thousand, thirteen".