2123031102312 has 32 divisors (see below), whose sum is σ = 5343199092000. Its totient is φ = 702927522624.

The previous prime is 2123031102289. The next prime is 2123031102329. The reversal of 2123031102312 is 2132011303212.

It is a super-2 number, since 2×2123031102312² (a number of 25 digits) contains 22 as substring.

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, 296840818 + ... + 296847969.

It is an arithmetic number, because the mean of its divisors is an integer number (166974971625).

Almost surely, 2^{2123031102312} is an apocalyptic number.

It is an amenable number.

2123031102312 is an abundant number, since it is smaller than the sum of its proper divisors (3220167989688).

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

2123031102312 is a wasteful number, since it uses less digits than its factorization.

2123031102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593688945 (or 593688941 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2123031102312 its reverse (2132011303212), we get a palindrome (4255042405524).

The spelling of 2123031102312 in words is "two trillion, one hundred twenty-three billion, thirty-one million, one hundred two thousand, three hundred twelve".