12176132372 has 12 divisors (see below), whose sum is σ = 21312040596. Its totient is φ = 6086977920.

The previous prime is 12176132359. The next prime is 12176132389. The reversal of 12176132372 is 27323167121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6482826256 + 5693306116 = 80516^2 + 75454^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246629 + ... + 291852.

It is an arithmetic number, because the mean of its divisors is an integer number (1776003383).

Almost surely, 2^12176132372 is an apocalyptic number.

It is an amenable number.

12176132372 is a deficient number, since it is larger than the sum of its proper divisors (9135908224).

12176132372 is a wasteful number, since it uses less digits than its factorization.

12176132372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544138 (or 544136 counting only the distinct ones).

The product of its digits is 21168, while the sum is 35.

Adding to 12176132372 its reverse (27323167121), we get a palindrome (39499299493).

The spelling of 12176132372 in words is "twelve billion, one hundred seventy-six million, one hundred thirty-two thousand, three hundred seventy-two".