331331013212 has 12 divisors (see below), whose sum is σ = 579894317016. Its totient is φ = 165646922640.

The previous prime is 331331013199. The next prime is 331331013227. The reversal of 331331013212 is 212310133133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4605839 + ... + 4677222.

It is an arithmetic number, because the mean of its divisors is an integer number (48324526418).

Almost surely, 2^331331013212 is an apocalyptic number.

It is an amenable number.

331331013212 is a deficient number, since it is larger than the sum of its proper divisors (248563303804).

331331013212 is a wasteful number, since it uses less digits than its factorization.

331331013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9291988 (or 9291986 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 331331013212 its reverse (212310133133), we get a palindrome (543641146345).

The spelling of 331331013212 in words is "three hundred thirty-one billion, three hundred thirty-one million, thirteen thousand, two hundred twelve".