12182181124 has 12 divisors (see below), whose sum is σ = 21319657884. Its totient is φ = 6090850304.

The previous prime is 12182181103. The next prime is 12182181139. The reversal of 12182181124 is 42118128121.

It can be written as a sum of positive squares in 2 ways, for example, as 8757590724 + 3424590400 = 93582^2 + 58520^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103524 + ... + 187300.

It is an arithmetic number, because the mean of its divisors is an integer number (1776638157).

Almost surely, 2^12182181124 is an apocalyptic number.

It is an amenable number.

12182181124 is a deficient number, since it is larger than the sum of its proper divisors (9137476760).

12182181124 is a wasteful number, since it uses less digits than its factorization.

12182181124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120134 (or 120132 counting only the distinct ones).

The product of its digits is 2048, while the sum is 31.

The spelling of 12182181124 in words is "twelve billion, one hundred eighty-two million, one hundred eighty-one thousand, one hundred twenty-four".