12656142325 has 24 divisors (see below), whose sum is σ = 15772068648. Its totient is φ = 10074420480.

The previous prime is 12656142299. The next prime is 12656142341. The reversal of 12656142325 is 52324165621.

It can be written as a sum of positive squares in 12 ways, for example, as 92198404 + 12563943921 = 9602^2 + 112089^2 .

It is not a de Polignac number, because 12656142325 - 2⁷ = 12656142197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7302159 + ... + 7303891.

It is an arithmetic number, because the mean of its divisors is an integer number (657169527).

Almost surely, 2^12656142325 is an apocalyptic number.

It is an amenable number.

12656142325 is a deficient number, since it is larger than the sum of its proper divisors (3115926323).

12656142325 is a wasteful number, since it uses less digits than its factorization.

12656142325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033 (or 3028 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The spelling of 12656142325 in words is "twelve billion, six hundred fifty-six million, one hundred forty-two thousand, three hundred twenty-five".