12562002645 has 64 divisors (see below), whose sum is σ = 21546328320. Its totient is φ = 6237278208.

The previous prime is 12562002631. The next prime is 12562002697. The reversal of 12562002645 is 54620026521.

It is not a de Polignac number, because 12562002645 - 2⁵ = 12562002613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1815282 + ... + 1822188.

It is an arithmetic number, because the mean of its divisors is an integer number (336661380).

Almost surely, 2^12562002645 is an apocalyptic number.

12562002645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12562002645 is a deficient number, since it is larger than the sum of its proper divisors (8984325675).

12562002645 is a wasteful number, since it uses less digits than its factorization.

12562002645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7094.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 12562002645 in words is "twelve billion, five hundred sixty-two million, two thousand, six hundred forty-five".