331121201310212 has 12 divisors (see below), whose sum is σ = 579494916398160. Its totient is φ = 165551225196456.

The previous prime is 331121201310139. The next prime is 331121201310283. The reversal of 331121201310212 is 212013102121133.

It is a happy number.

It is a super-2 number, since 2×331121201310212² (a number of 30 digits) contains 22 as substring.

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, 2343785198 + ... + 2343926469.

It is an arithmetic number, because the mean of its divisors is an integer number (48291243033180).

Almost surely, 2^{331121201310212} is an apocalyptic number.

It is an amenable number.

331121201310212 is a deficient number, since it is larger than the sum of its proper divisors (248373715087948).

331121201310212 is a wasteful number, since it uses less digits than its factorization.

331121201310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687729330 (or 4687729328 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 331121201310212 its reverse (212013102121133), we get a palindrome (543134303431345).

The spelling of 331121201310212 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, two hundred one million, three hundred ten thousand, two hundred twelve".