12650252624 has 20 divisors (see below), whose sum is σ = 24512684436. Its totient is φ = 6324398592.

The previous prime is 12650252597. The next prime is 12650252633. The reversal of 12650252624 is 42625205621.

It can be written as a sum of positive squares in 2 ways, for example, as 9409000000 + 3241252624 = 97000^2 + 56932^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115112 + ... + 196344.

Almost surely, 2^12650252624 is an apocalyptic number.

It is an amenable number.

12650252624 is a deficient number, since it is larger than the sum of its proper divisors (11862431812).

12650252624 is an equidigital number, since it uses as much as digits as its factorization.

12650252624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90974 (or 90968 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 12650252624 in words is "twelve billion, six hundred fifty million, two hundred fifty-two thousand, six hundred twenty-four".