31233022122012 has 24 divisors (see below), whose sum is σ = 75390053398800. Its totient is φ = 10052007119616.

The previous prime is 31233022122007. The next prime is 31233022122019. The reversal of 31233022122012 is 21022122033213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233022122019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44875031437 + ... + 44875032132.

It is an arithmetic number, because the mean of its divisors is an integer number (3141252224950).

Almost surely, 2^{31233022122012} is an apocalyptic number.

It is an amenable number.

31233022122012 is an abundant number, since it is smaller than the sum of its proper divisors (44157031276788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31233022122012 is a wasteful number, since it uses less digits than its factorization.

31233022122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89750063605 (or 89750063603 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31233022122012 its reverse (21022122033213), we get a palindrome (52255144155225).

The spelling of 31233022122012 in words is "thirty-one trillion, two hundred thirty-three billion, twenty-two million, one hundred twenty-two thousand, twelve".