12501563268 has 12 divisors (see below), whose sum is σ = 29170314320. Its totient is φ = 4167187752.

The previous prime is 12501563251. The next prime is 12501563279. The reversal of 12501563268 is 86236510521.

12501563268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 520898458 + ... + 520898481.

Almost surely, 2^12501563268 is an apocalyptic number.

It is an amenable number.

12501563268 is an abundant number, since it is smaller than the sum of its proper divisors (16668751052).

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

12501563268 is a wasteful number, since it uses less digits than its factorization.

12501563268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041796946 (or 1041796944 counting only the distinct ones).

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

The spelling of 12501563268 in words is "twelve billion, five hundred one million, five hundred sixty-three thousand, two hundred sixty-eight".