331222222012 has 96 divisors (see below), whose sum is σ = 647458560000. Its totient is φ = 146995257600.

The previous prime is 331222221997. The next prime is 331222222027. The reversal of 331222222012 is 210222222133.

It is an interprime number because it is at equal distance from previous prime (331222221997) and next prime (331222222027).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298666914 + ... + 298668022.

It is an arithmetic number, because the mean of its divisors is an integer number (6744360000).

Almost surely, 2^331222222012 is an apocalyptic number.

It is an amenable number.

331222222012 is a deficient number, since it is larger than the sum of its proper divisors (316236337988).

331222222012 is a wasteful number, since it uses less digits than its factorization.

331222222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907 (or 1905 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 331222222012 its reverse (210222222133), we get a palindrome (541444444145).

The spelling of 331222222012 in words is "three hundred thirty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, twelve".