12932156122 has 32 divisors (see below), whose sum is σ = 21765859920. Its totient is φ = 5732536320.

The previous prime is 12932156113. The next prime is 12932156123. The reversal of 12932156122 is 22165123921.

It can be written as a sum of positive squares in 8 ways, for example, as 6824577321 + 6107578801 = 82611^2 + 78151^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (12932156123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119523 + ... + 200374.

Almost surely, 2^12932156122 is an apocalyptic number.

12932156122 is a deficient number, since it is larger than the sum of its proper divisors (8833703798).

12932156122 is a wasteful number, since it uses less digits than its factorization.

12932156122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319986.

The product of its digits is 12960, while the sum is 34.

The spelling of 12932156122 in words is "twelve billion, nine hundred thirty-two million, one hundred fifty-six thousand, one hundred twenty-two".