331030122012 has 18 divisors (see below), whose sum is σ = 836770586288. Its totient is φ = 110343373992.

The previous prime is 331030121999. The next prime is 331030122041. The reversal of 331030122012 is 210221030133.

331030122012 is a `hidden beast` number, since 331 + 0 + 301 + 2 + 20 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4597640548 + ... + 4597640619.

Almost surely, 2^331030122012 is an apocalyptic number.

It is an amenable number.

331030122012 is an abundant number, since it is smaller than the sum of its proper divisors (505740464276).

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

331030122012 is a wasteful number, since it uses less digits than its factorization.

331030122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9195281177 (or 9195281172 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 331030122012 its reverse (210221030133), we get a palindrome (541251152145).

The spelling of 331030122012 in words is "three hundred thirty-one billion, thirty million, one hundred twenty-two thousand, twelve".