12642925268 has 12 divisors (see below), whose sum is σ = 22129040052. Its totient is φ = 6320342400.

The previous prime is 12642925237. The next prime is 12642925297. The reversal of 12642925268 is 86252924621.

It can be written as a sum of positive squares in 2 ways, for example, as 3915255184 + 8727670084 = 62572^2 + 93422^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 254405 + ... + 300012.

It is an arithmetic number, because the mean of its divisors is an integer number (1844086671).

Almost surely, 2^12642925268 is an apocalyptic number.

It is an amenable number.

12642925268 is a deficient number, since it is larger than the sum of its proper divisors (9486114784).

12642925268 is a wasteful number, since it uses less digits than its factorization.

12642925268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560122 (or 560120 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The spelling of 12642925268 in words is "twelve billion, six hundred forty-two million, nine hundred twenty-five thousand, two hundred sixty-eight".