12256500213 has 48 divisors (see below), whose sum is σ = 18610166016. Its totient is φ = 7766478720.

The previous prime is 12256500209. The next prime is 12256500229. The reversal of 12256500213 is 31200565221.

It is a happy number.

12256500213 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 650 + 0 + 2 + 1 + 3 = 666.

It is not a de Polignac number, because 12256500213 - 2² = 12256500209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256500253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1946356 + ... + 1952642.

It is an arithmetic number, because the mean of its divisors is an integer number (387711792).

Almost surely, 2^12256500213 is an apocalyptic number.

It is an amenable number.

12256500213 is a deficient number, since it is larger than the sum of its proper divisors (6353665803).

12256500213 is a wasteful number, since it uses less digits than its factorization.

12256500213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474 (or 6471 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 12256500213 in words is "twelve billion, two hundred fifty-six million, five hundred thousand, two hundred thirteen".