12520631652032 has 56 divisors (see below), whose sum is σ = 28401979585056. Its totient is φ = 5364666759168.

The previous prime is 12520631652019. The next prime is 12520631652043. The reversal of 12520631652032 is 23025613602521.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606163 + ... + 5255570.

It is an arithmetic number, because the mean of its divisors is an integer number (507178206876).

Almost surely, 2^{12520631652032} is an apocalyptic number.

It is an amenable number.

12520631652032 is an abundant number, since it is smaller than the sum of its proper divisors (15881347933024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12520631652032 is an equidigital number, since it uses as much as digits as its factorization.

12520631652032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6865825 (or 6865815 counting only the distinct ones).

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

The spelling of 12520631652032 in words is "twelve trillion, five hundred twenty billion, six hundred thirty-one million, six hundred fifty-two thousand, thirty-two".