12224831220 has 72 divisors (see below), whose sum is σ = 42379419264. Its totient is φ = 2794246848.

The previous prime is 12224831159. The next prime is 12224831231. The reversal of 12224831220 is 2213842221.

12224831220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×12224831220⁵ (a number of 52 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4849864 + ... + 4852383.

Almost surely, 2^12224831220 is an apocalyptic number.

12224831220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12224831220 is an abundant number, since it is smaller than the sum of its proper divisors (30154588044).

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

12224831220 is a wasteful number, since it uses less digits than its factorization.

12224831220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9702269 (or 9702264 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The spelling of 12224831220 in words is "twelve billion, two hundred twenty-four million, eight hundred thirty-one thousand, two hundred twenty".