331200121002132 has 24 divisors (see below), whose sum is σ = 774952929374400. Its totient is φ = 110092519328896.

The previous prime is 331200121002067. The next prime is 331200121002137. The reversal of 331200121002132 is 231200121002133.

It is a junction number, because it is equal to n+sod(n) for n = 331200121002099 and 331200121002108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331200121002137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38440121157 + ... + 38440129772.

It is an arithmetic number, because the mean of its divisors is an integer number (32289705390600).

Almost surely, 2^{331200121002132} is an apocalyptic number.

It is an amenable number.

331200121002132 is an abundant number, since it is smaller than the sum of its proper divisors (443752808372268).

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

331200121002132 is a wasteful number, since it uses less digits than its factorization.

331200121002132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76880251295 (or 76880251293 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 331200121002132 its reverse (231200121002133), we get a palindrome (562400242004265).

Subtracting from 331200121002132 its reverse (231200121002133), we obtain a palindrome (99999999999999).

The spelling of 331200121002132 in words is "three hundred thirty-one trillion, two hundred billion, one hundred twenty-one million, two thousand, one hundred thirty-two".