331122222212 has 24 divisors (see below), whose sum is σ = 588727421856. Its totient is φ = 162929911808.

The previous prime is 331122222203. The next prime is 331122222259. The reversal of 331122222212 is 212222221133.

It is a happy number.

It is a super-3 number, since 3×331122222212³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 1855058 + ... + 2025705.

It is an arithmetic number, because the mean of its divisors is an integer number (24530309244).

Almost surely, 2^331122222212 is an apocalyptic number.

It is an amenable number.

331122222212 is a deficient number, since it is larger than the sum of its proper divisors (257605199644).

331122222212 is a wasteful number, since it uses less digits than its factorization.

331122222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881107 (or 3881105 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

Adding to 331122222212 its reverse (212222221133), we get a palindrome (543344443345).

The spelling of 331122222212 in words is "three hundred thirty-one billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred twelve".