12317472220 has 24 divisors (see below), whose sum is σ = 25949877408. Its totient is φ = 4911144000.

The previous prime is 12317472199. The next prime is 12317472229. The reversal of 12317472220 is 2227471321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12317472229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983931 + ... + 996370.

It is an arithmetic number, because the mean of its divisors is an integer number (1081244892).

Almost surely, 2^12317472220 is an apocalyptic number.

12317472220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12317472220 is an abundant number, since it is smaller than the sum of its proper divisors (13632405188).

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

12317472220 is a wasteful number, since it uses less digits than its factorization.

12317472220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980621 (or 1980619 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The spelling of 12317472220 in words is "twelve billion, three hundred seventeen million, four hundred seventy-two thousand, two hundred twenty".