331133321232212 has 6 divisors (see below), whose sum is σ = 579483312156378. Its totient is φ = 165566660616104.

The previous prime is 331133321232209. The next prime is 331133321232221. The reversal of 331133321232212 is 212232123331133.

It can be written as a sum of positive squares in only one way, i.e., 312184938587536 + 18948382644676 = 17668756^2 + 4352974^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41391665154023 + ... + 41391665154030.

It is an arithmetic number, because the mean of its divisors is an integer number (96580552026063).

Almost surely, 2^{331133321232212} is an apocalyptic number.

It is an amenable number.

331133321232212 is a deficient number, since it is larger than the sum of its proper divisors (248349990924166).

331133321232212 is a wasteful number, since it uses less digits than its factorization.

331133321232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82783330308057 (or 82783330308055 counting only the distinct ones).

The product of its digits is 23328, while the sum is 32.

Adding to 331133321232212 its reverse (212232123331133), we get a palindrome (543365444563345).

The spelling of 331133321232212 in words is "three hundred thirty-one trillion, one hundred thirty-three billion, three hundred twenty-one million, two hundred thirty-two thousand, two hundred twelve".