12566362404 has 24 divisors (see below), whose sum is σ = 30036672288. Its totient is φ = 4086621760.

The previous prime is 12566362397. The next prime is 12566362451. The reversal of 12566362404 is 40426366521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12770202 + ... + 12771185.

It is an arithmetic number, because the mean of its divisors is an integer number (1251528012).

Almost surely, 2^12566362404 is an apocalyptic number.

It is an amenable number.

12566362404 is an abundant number, since it is smaller than the sum of its proper divisors (17470309884).

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

12566362404 is a wasteful number, since it uses less digits than its factorization.

12566362404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25541435 (or 25541433 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 12566362404 in words is "twelve billion, five hundred sixty-six million, three hundred sixty-two thousand, four hundred four".