12866570580 has 48 divisors (see below), whose sum is σ = 36033117120. Its totient is φ = 3430445568.

The previous prime is 12866570551. The next prime is 12866570597. The reversal of 12866570580 is 8507566821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365932 + ... + 399548.

It is an arithmetic number, because the mean of its divisors is an integer number (750689940).

Almost surely, 2^12866570580 is an apocalyptic number.

12866570580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12866570580 is an abundant number, since it is smaller than the sum of its proper divisors (23166546540).

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

12866570580 is a wasteful number, since it uses less digits than its factorization.

12866570580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40008 (or 40006 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 12866570580 in words is "twelve billion, eight hundred sixty-six million, five hundred seventy thousand, five hundred eighty".