2331321122012 has 24 divisors (see below), whose sum is σ = 4088572116720. Its totient is φ = 1163158496640.

The previous prime is 2331321121973. The next prime is 2331321122027. The reversal of 2331321122012 is 2102211231332.

It is a congruent number.

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, 11383583 + ... + 11586569.

It is an arithmetic number, because the mean of its divisors is an integer number (170357171530).

Almost surely, 2^{2331321122012} is an apocalyptic number.

It is an amenable number.

2331321122012 is a deficient number, since it is larger than the sum of its proper divisors (1757250994708).

2331321122012 is a wasteful number, since it uses less digits than its factorization.

2331321122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209141 (or 209139 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2331321122012 its reverse (2102211231332), we get a palindrome (4433532353344).

The spelling of 2331321122012 in words is "two trillion, three hundred thirty-one billion, three hundred twenty-one million, one hundred twenty-two thousand, twelve".