13812172116 has 24 divisors (see below), whose sum is σ = 32231337600. Its totient is φ = 4603637952.

The previous prime is 13812172097. The next prime is 13812172163. The reversal of 13812172116 is 61127121831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103285 + ... + 195683.

It is an arithmetic number, because the mean of its divisors is an integer number (1342972400).

Almost surely, 2^13812172116 is an apocalyptic number.

It is an amenable number.

13812172116 is an abundant number, since it is smaller than the sum of its proper divisors (18419165484).

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

13812172116 is a wasteful number, since it uses less digits than its factorization.

13812172116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104863 (or 104861 counting only the distinct ones).

The product of its digits is 4032, while the sum is 33.

Adding to 13812172116 its reverse (61127121831), we get a palindrome (74939293947).

The spelling of 13812172116 in words is "thirteen billion, eight hundred twelve million, one hundred seventy-two thousand, one hundred sixteen".