12214792872 has 80 divisors (see below), whose sum is σ = 34231909140. Its totient is φ = 4069315584.

The previous prime is 12214792867. The next prime is 12214792879. The reversal of 12214792872 is 27829741221.

It can be written as a sum of positive squares in 2 ways, for example, as 12147125796 + 67667076 = 110214^2 + 8226^2 .

It is not an unprimeable number, because it can be changed into a prime (12214792879) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1468758 + ... + 1477050.

Almost surely, 2^12214792872 is an apocalyptic number.

12214792872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12214792872 is an abundant number, since it is smaller than the sum of its proper divisors (22017116268).

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

12214792872 is a wasteful number, since it uses less digits than its factorization.

12214792872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10584 (or 10571 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The spelling of 12214792872 in words is "twelve billion, two hundred fourteen million, seven hundred ninety-two thousand, eight hundred seventy-two".