2120012131320 has 96 divisors (see below), whose sum is σ = 7295335884720. Its totient is φ = 532081474560.

The previous prime is 2120012131301. The next prime is 2120012131373. The reversal of 2120012131320 is 231312100212.

2120012131320 is a `hidden beast` number, since 2 + 1 + 200 + 12 + 131 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2120012131293 and 2120012131302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173197486 + ... + 173209725.

Almost surely, 2^{2120012131320} is an apocalyptic number.

2120012131320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120012131320 is an abundant number, since it is smaller than the sum of its proper divisors (5175323753400).

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

2120012131320 is a wasteful number, since it uses less digits than its factorization.

2120012131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346407245 (or 346407238 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2120012131320 its reverse (231312100212), we get a palindrome (2351324231532).

The spelling of 2120012131320 in words is "two trillion, one hundred twenty billion, twelve million, one hundred thirty-one thousand, three hundred twenty".