2112902952192 has 180 divisors, whose sum is σ = 6315723785140. Its totient is φ = 702576156672.

The previous prime is 2112902952191. The next prime is 2112902952217. The reversal of 2112902952192 is 2912592092112.

It is a happy number.

2112902952192 is a `hidden beast` number, since 2 + 1 + 12 + 9 + 0 + 29 + 521 + 92 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1921395188736 + 191507763456 = 1386144^2 + 437616^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112902952191) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8356458 + ... + 8605590.

Almost surely, 2^{2112902952192} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112902952192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3157861892570).

2112902952192 is an abundant number, since it is smaller than the sum of its proper divisors (4202820832948).

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

2112902952192 is an equidigital number, since it uses as much as digits as its factorization.

2112902952192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249570 (or 249547 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The spelling of 2112902952192 in words is "two trillion, one hundred twelve billion, nine hundred two million, nine hundred fifty-two thousand, one hundred ninety-two".