2120131131210 has 96 divisors (see below), whose sum is σ = 5720450928192. Its totient is φ = 564977721600.

The previous prime is 2120131131199. The next prime is 2120131131259. The reversal of 2120131131210 is 121311310212.

2120131131210 is a `hidden beast` number, since 21 + 20 + 1 + 311 + 312 + 1 + 0 = 666.

It is a super-3 number, since 3×2120131131210³ (a number of 38 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3225282 + ... + 3826578.

It is an arithmetic number, because the mean of its divisors is an integer number (59588030502).

Almost surely, 2^{2120131131210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120131131210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2860225464096).

2120131131210 is an abundant number, since it is smaller than the sum of its proper divisors (3600319796982).

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

2120131131210 is a wasteful number, since it uses less digits than its factorization.

2120131131210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602770 (or 602758 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2120131131210 its reverse (121311310212), we get a palindrome (2241442441422).

The spelling of 2120131131210 in words is "two trillion, one hundred twenty billion, one hundred thirty-one million, one hundred thirty-one thousand, two hundred ten".