2112130131210 has 144 divisors (see below), whose sum is σ = 6204473177760. Its totient is φ = 494375091840.

The previous prime is 2112130131169. The next prime is 2112130131301. The reversal of 2112130131210 is 121310312112.

2112130131210 is a `hidden beast` number, since 2 + 1 + 121 + 301 + 31 + 210 = 666.

It is a super-2 number, since 2×2112130131210² (a number of 25 digits) contains 22 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 polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 435820 + ... + 2100999.

It is an arithmetic number, because the mean of its divisors is an integer number (43086619290).

Almost surely, 2^{2112130131210} is an apocalyptic number.

2112130131210 is an abundant number, since it is smaller than the sum of its proper divisors (4092343046550).

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

2112130131210 is a wasteful number, since it uses less digits than its factorization.

2112130131210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536901 (or 2536869 counting only the distinct ones).

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

Adding to 2112130131210 its reverse (121310312112), we get a palindrome (2233440443322).

The spelling of 2112130131210 in words is "two trillion, one hundred twelve billion, one hundred thirty million, one hundred thirty-one thousand, two hundred ten".