2331231222112 has 48 divisors (see below), whose sum is σ = 5057604090000. Its totient is φ = 1050930703872.

The previous prime is 2331231222101. The next prime is 2331231222157. The reversal of 2331231222112 is 2112221321332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65143987 + ... + 65179762.

It is an arithmetic number, because the mean of its divisors is an integer number (105366751875).

Almost surely, 2^{2331231222112} is an apocalyptic number.

It is an amenable number.

2331231222112 is an abundant number, since it is smaller than the sum of its proper divisors (2726372867888).

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

2331231222112 is a wasteful number, since it uses less digits than its factorization.

2331231222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130323815 (or 130323807 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 2331231222112 its reverse (2112221321332), we get a palindrome (4443452543444).

The spelling of 2331231222112 in words is "two trillion, three hundred thirty-one billion, two hundred thirty-one million, two hundred twenty-two thousand, one hundred twelve".