12633274380 has 48 divisors (see below), whose sum is σ = 36514243584. Its totient is φ = 3260199360.

The previous prime is 12633274361. The next prime is 12633274391. The reversal of 12633274380 is 8347233621.

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, 3394182 + ... + 3397901.

It is an arithmetic number, because the mean of its divisors is an integer number (760713408).

Almost surely, 2^12633274380 is an apocalyptic number.

12633274380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12633274380 is an abundant number, since it is smaller than the sum of its proper divisors (23880969204).

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

12633274380 is a wasteful number, since it uses less digits than its factorization.

12633274380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6792126 (or 6792124 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 12633274380 in words is "twelve billion, six hundred thirty-three million, two hundred seventy-four thousand, three hundred eighty".