12174538818 has 32 divisors (see below), whose sum is σ = 26476684416. Its totient is φ = 3709640448.

The previous prime is 12174538771. The next prime is 12174538823. The reversal of 12174538818 is 81883547121.

It is a Curzon number.

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, 749655 + ... + 765722.

It is an arithmetic number, because the mean of its divisors is an integer number (827396388).

Almost surely, 2^12174538818 is an apocalyptic number.

12174538818 is an abundant number, since it is smaller than the sum of its proper divisors (14302145598).

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

12174538818 is a wasteful number, since it uses less digits than its factorization.

12174538818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515498.

The product of its digits is 430080, while the sum is 48.

The spelling of 12174538818 in words is "twelve billion, one hundred seventy-four million, five hundred thirty-eight thousand, eight hundred eighteen".