2120120031320 has 16 divisors (see below), whose sum is σ = 4770270070560. Its totient is φ = 848048012512.

The previous prime is 2120120031317. The next prime is 2120120031349. The reversal of 2120120031320 is 231300210212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26501500352 + ... + 26501500431.

It is an arithmetic number, because the mean of its divisors is an integer number (298141879410).

Almost surely, 2^{2120120031320} is an apocalyptic number.

2120120031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120120031320 is an abundant number, since it is smaller than the sum of its proper divisors (2650150039240).

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

2120120031320 is a wasteful number, since it uses less digits than its factorization.

2120120031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53003000794 (or 53003000790 counting only the distinct ones).

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

Adding to 2120120031320 its reverse (231300210212), we get a palindrome (2351420241532).

The spelling of 2120120031320 in words is "two trillion, one hundred twenty billion, one hundred twenty million, thirty-one thousand, three hundred twenty".