121313112232 has 16 divisors (see below), whose sum is σ = 244959169140. Its totient is φ = 55990667136.

The previous prime is 121313112229. The next prime is 121313112233. The reversal of 121313112232 is 232211313121.

It can be written as a sum of positive squares in 2 ways, for example, as 105070629316 + 16242482916 = 324146^2 + 127446^2 .

It is not an unprimeable number, because it can be changed into a prime (121313112233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583236013 + ... + 583236220.

Almost surely, 2^121313112232 is an apocalyptic number.

It is an amenable number.

121313112232 is an abundant number, since it is smaller than the sum of its proper divisors (123646056908).

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

121313112232 is a wasteful number, since it uses less digits than its factorization.

121313112232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166472252 (or 1166472248 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 121313112232 its reverse (232211313121), we get a palindrome (353524425353).

The spelling of 121313112232 in words is "one hundred twenty-one billion, three hundred thirteen million, one hundred twelve thousand, two hundred thirty-two".