12660914180 has 12 divisors (see below), whose sum is σ = 26587919820. Its totient is φ = 5064365664.

The previous prime is 12660914179. The next prime is 12660914183. The reversal of 12660914180 is 8141906621.

It can be written as a sum of positive squares in 2 ways, for example, as 8695189504 + 3965724676 = 93248^2 + 62974^2 .

It is not an unprimeable number, because it can be changed into a prime (12660914183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316522835 + ... + 316522874.

It is an arithmetic number, because the mean of its divisors is an integer number (2215659985).

Almost surely, 2^12660914180 is an apocalyptic number.

12660914180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12660914180 is an abundant number, since it is smaller than the sum of its proper divisors (13927005640).

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

12660914180 is a wasteful number, since it uses less digits than its factorization.

12660914180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633045718 (or 633045716 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 12660914180 in words is "twelve billion, six hundred sixty million, nine hundred fourteen thousand, one hundred eighty".