2120231323112 has 16 divisors (see below), whose sum is σ = 4543352835360. Its totient is φ = 908670567024.

The previous prime is 2120231323099. The next prime is 2120231323117. The reversal of 2120231323112 is 2113231320212.

It is not an unprimeable number, because it can be changed into a prime (2120231323117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18930636758 + ... + 18930636869.

It is an arithmetic number, because the mean of its divisors is an integer number (283959552210).

Almost surely, 2^{2120231323112} is an apocalyptic number.

It is an amenable number.

2120231323112 is an abundant number, since it is smaller than the sum of its proper divisors (2423121512248).

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

2120231323112 is a wasteful number, since it uses less digits than its factorization.

2120231323112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37861273640 (or 37861273636 counting only the distinct ones).

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

Adding to 2120231323112 its reverse (2113231320212), we get a palindrome (4233462643324).

The spelling of 2120231323112 in words is "two trillion, one hundred twenty billion, two hundred thirty-one million, three hundred twenty-three thousand, one hundred twelve".