99001090912 has 48 divisors (see below), whose sum is σ = 197214847200. Its totient is φ = 48915440640.

The previous prime is 99001090879. The next prime is 99001090933. The reversal of 99001090912 is 21909010099.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5290789 + ... + 5309467.

It is an arithmetic number, because the mean of its divisors is an integer number (4108642650).

Almost surely, 2^99001090912 is an apocalyptic number.

It is an amenable number.

99001090912 is a deficient number, since it is larger than the sum of its proper divisors (98213756288).

99001090912 is a wasteful number, since it uses less digits than its factorization.

99001090912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20639 (or 20631 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 40.

The spelling of 99001090912 in words is "ninety-nine billion, one million, ninety thousand, nine hundred twelve".