12664122425 has 12 divisors (see below), whose sum is σ = 16068711120. Its totient is φ = 9895685520.

The previous prime is 12664122407. The next prime is 12664122469. The reversal of 12664122425 is 52422146621.

It is not a de Polignac number, because 12664122425 - 2⁸ = 12664122169 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5889215 + ... + 5891364.

It is an arithmetic number, because the mean of its divisors is an integer number (1339059260).

Almost surely, 2^12664122425 is an apocalyptic number.

It is an amenable number.

12664122425 is a deficient number, since it is larger than the sum of its proper divisors (3404588695).

12664122425 is a wasteful number, since it uses less digits than its factorization.

12664122425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11780632 (or 11780627 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The spelling of 12664122425 in words is "twelve billion, six hundred sixty-four million, one hundred twenty-two thousand, four hundred twenty-five".