12332172156 has 24 divisors (see below), whose sum is σ = 28776908160. Its totient is φ = 4110461232.

The previous prime is 12332172109. The next prime is 12332172161. The reversal of 12332172156 is 65127123321.

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, 287985 + ... + 328023.

It is an arithmetic number, because the mean of its divisors is an integer number (1199037840).

Almost surely, 2^12332172156 is an apocalyptic number.

It is an amenable number.

12332172156 is an abundant number, since it is smaller than the sum of its proper divisors (16444736004).

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

12332172156 is a wasteful number, since it uses less digits than its factorization.

12332172156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65713 (or 65711 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

Adding to 12332172156 its reverse (65127123321), we get a palindrome (77459295477).

The spelling of 12332172156 in words is "twelve billion, three hundred thirty-two million, one hundred seventy-two thousand, one hundred fifty-six".