2112120992 has 24 divisors (see below), whose sum is σ = 4160339316. Its totient is φ = 1055526912.

The previous prime is 2112120979. The next prime is 2112121007. The reversal of 2112120992 is 2990212112.

It can be written as a sum of positive squares in 2 ways, for example, as 2057892496 + 54228496 = 45364^2 + 7364^2 .

It is a super-2 number, since 2×2112120992² = 8922110169694128128, which contains 22 as substring.

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, 51998 + ... + 83234.

Almost surely, 2^2112120992 is an apocalyptic number.

It is an amenable number.

2112120992 is a deficient number, since it is larger than the sum of its proper divisors (2048218324).

2112120992 is a wasteful number, since it uses less digits than its factorization.

2112120992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33360 (or 33352 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 2112120992 is about 45957.8175286860. The cubic root of 2112120992 is about 1283.0382319089.

It can be divided in two parts, 2112120 and 992, that added together give a palindrome (2113112).

The spelling of 2112120992 in words is "two billion, one hundred twelve million, one hundred twenty thousand, nine hundred ninety-two".