12656620325 has 12 divisors (see below), whose sum is σ = 16200475008. Its totient is φ = 9798673200.

The previous prime is 12656620279. The next prime is 12656620331. The reversal of 12656620325 is 52302665621.

12656620325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12656620325 - 2⁸ = 12656620069 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8164787 + ... + 8166336.

It is an arithmetic number, because the mean of its divisors is an integer number (1350039584).

Almost surely, 2^12656620325 is an apocalyptic number.

It is an amenable number.

12656620325 is a deficient number, since it is larger than the sum of its proper divisors (3543854683).

12656620325 is a wasteful number, since it uses less digits than its factorization.

12656620325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16331164 (or 16331159 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 12656620325 in words is "twelve billion, six hundred fifty-six million, six hundred twenty thousand, three hundred twenty-five".