12502865136 has 40 divisors (see below), whose sum is σ = 33703378560. Its totient is φ = 3986420416.

The previous prime is 12502865057. The next prime is 12502865147. The reversal of 12502865136 is 63156820521.

12502865136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12502865094 and 12502865103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5661426 + ... + 5663633.

It is an arithmetic number, because the mean of its divisors is an integer number (842584464).

Almost surely, 2^12502865136 is an apocalyptic number.

12502865136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12502865136 is an abundant number, since it is smaller than the sum of its proper divisors (21200513424).

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

12502865136 is a wasteful number, since it uses less digits than its factorization.

12502865136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11325093 (or 11325087 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 12502865136 in words is "twelve billion, five hundred two million, eight hundred sixty-five thousand, one hundred thirty-six".