2120231312 has 20 divisors (see below), whose sum is σ = 4108665600. Its totient is φ = 1059930528.

The previous prime is 2120231297. The next prime is 2120231327. The reversal of 2120231312 is 2131320212.

It is an interprime number because it is at equal distance from previous prime (2120231297) and next prime (2120231327).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160013 + ... + 172755.

It is an arithmetic number, because the mean of its divisors is an integer number (205433280).

Almost surely, 2^2120231312 is an apocalyptic number.

It is an amenable number.

2120231312 is a deficient number, since it is larger than the sum of its proper divisors (1988434288).

2120231312 is a wasteful number, since it uses less digits than its factorization.

2120231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23150 (or 23144 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2120231312 is about 46045.9695521769. The cubic root of 2120231312 is about 1284.6783778243.

Adding to 2120231312 its reverse (2131320212), we get a palindrome (4251551524).

Subtracting 2120231312 from its reverse (2131320212), we obtain a square (11088900 = 3330²).

The spelling of 2120231312 in words is "two billion, one hundred twenty million, two hundred thirty-one thousand, three hundred twelve".