331200021012 has 48 divisors (see below), whose sum is σ = 884376256512. Its totient is φ = 94502556000.

The previous prime is 331200020911. The next prime is 331200021067. The reversal of 331200021012 is 210120002133.

It is a junction number, because it is equal to n+sod(n) for n = 331200020982 and 331200021000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2561988 + ... + 2688155.

It is an arithmetic number, because the mean of its divisors is an integer number (18424505344).

Almost surely, 2^331200021012 is an apocalyptic number.

It is an amenable number.

331200021012 is an abundant number, since it is smaller than the sum of its proper divisors (553176235500).

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

331200021012 is a wasteful number, since it uses less digits than its factorization.

331200021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250908 (or 5250906 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 331200021012 its reverse (210120002133), we get a palindrome (541320023145).

The spelling of 331200021012 in words is "three hundred thirty-one billion, two hundred million, twenty-one thousand, twelve".