331122001311012 has 24 divisors (see below), whose sum is σ = 793499570710336. Its totient is φ = 107390919343968.

The previous prime is 331122001310993. The next prime is 331122001311037. The reversal of 331122001311012 is 210113100221133.

It is a self number, because there is not a number n which added to its sum of digits gives 331122001311012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372885136168 + ... + 372885137055.

Almost surely, 2^{331122001311012} is an apocalyptic number.

It is an amenable number.

331122001311012 is an abundant number, since it is smaller than the sum of its proper divisors (462377569399324).

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

331122001311012 is a wasteful number, since it uses less digits than its factorization.

331122001311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745770273267 (or 745770273265 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 331122001311012 its reverse (210113100221133), we get a palindrome (541235101532145).

The spelling of 331122001311012 in words is "three hundred thirty-one trillion, one hundred twenty-two billion, one million, three hundred eleven thousand, twelve".