331322223212 has 36 divisors (see below), whose sum is σ = 631676517696. Its totient is φ = 151879436640.

The previous prime is 331322223149. The next prime is 331322223227. The reversal of 331322223212 is 212322223133.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3656003 + ... + 3745530.

It is an arithmetic number, because the mean of its divisors is an integer number (17546569936).

Almost surely, 2^331322223212 is an apocalyptic number.

It is an amenable number.

331322223212 is a deficient number, since it is larger than the sum of its proper divisors (300354294484).

331322223212 is a wasteful number, since it uses less digits than its factorization.

331322223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7401606 (or 7401585 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

Adding to 331322223212 its reverse (212322223133), we get a palindrome (543644446345).

The spelling of 331322223212 in words is "three hundred thirty-one billion, three hundred twenty-two million, two hundred twenty-three thousand, two hundred twelve".