990010001012 has 48 divisors (see below), whose sum is σ = 1774748828160. Its totient is φ = 483130658400.

The previous prime is 990010001003. The next prime is 990010001063. The reversal of 990010001012 is 210100010099.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7729937 + ... + 7856967.

It is an arithmetic number, because the mean of its divisors is an integer number (36973933920).

Almost surely, 2^990010001012 is an apocalyptic number.

It is an amenable number.

990010001012 is a deficient number, since it is larger than the sum of its proper divisors (784738827148).

990010001012 is a wasteful number, since it uses less digits than its factorization.

990010001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127412 (or 127410 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 990010001012 in words is "nine hundred ninety billion, ten million, one thousand, twelve".