12907927780 has 48 divisors (see below), whose sum is σ = 31127261760. Its totient is φ = 4446748800.

The previous prime is 12907927759. The next prime is 12907927793. The reversal of 12907927780 is 8772970921.

It is a super-2 number, since 2×12907927780² (a number of 21 digits) contains 22 as substring.

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, 1539831 + ... + 1548190.

It is an arithmetic number, because the mean of its divisors is an integer number (648484620).

Almost surely, 2^12907927780 is an apocalyptic number.

12907927780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12907927780 is an abundant number, since it is smaller than the sum of its proper divisors (18219333980).

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

12907927780 is a wasteful number, since it uses less digits than its factorization.

12907927780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088060 (or 3088058 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 52.

The spelling of 12907927780 in words is "twelve billion, nine hundred seven million, nine hundred twenty-seven thousand, seven hundred eighty".