3990112012 has 12 divisors (see below), whose sum is σ = 6993076216. Its totient is φ = 1992090240.

The previous prime is 3990111997. The next prime is 3990112019. The reversal of 3990112012 is 2102110993.

3990112012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3990112019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738414 + ... + 743797.

Almost surely, 2^3990112012 is an apocalyptic number.

It is an amenable number.

3990112012 is a deficient number, since it is larger than the sum of its proper divisors (3002964204).

3990112012 is a wasteful number, since it uses less digits than its factorization.

3990112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482888 (or 1482886 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 3990112012 is about 63167.3334248011. Note that the first 3 decimals coincide. The cubic root of 3990112012 is about 1586.0919558016.

The spelling of 3990112012 in words is "three billion, nine hundred ninety million, one hundred twelve thousand, twelve".