7900012112 has 20 divisors (see below), whose sum is σ = 15515950740. Its totient is φ = 3895895808.

The previous prime is 7900012103. The next prime is 7900012139. The reversal of 7900012112 is 2112100097.

It can be written as a sum of positive squares in 2 ways, for example, as 5341271056 + 2558741056 = 73084^2 + 50584^2 .

It is a congruent number.

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, 3380687 + ... + 3383022.

It is an arithmetic number, because the mean of its divisors is an integer number (775797537).

Almost surely, 2^7900012112 is an apocalyptic number.

It is an amenable number.

7900012112 is a deficient number, since it is larger than the sum of its proper divisors (7615938628).

7900012112 is a wasteful number, since it uses less digits than its factorization.

7900012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763790 (or 6763784 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 7900012112 is about 88882.0123084531. The cubic root of 7900012112 is about 1991.6327191224.

The spelling of 7900012112 in words is "seven billion, nine hundred million, twelve thousand, one hundred twelve".