990210012 has 48 divisors (see below), whose sum is σ = 2523263232. Its totient is φ = 299738880.

The previous prime is 990209963. The next prime is 990210031. The reversal of 990210012 is 210012099.

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 15 ways as a sum of consecutive naturals, for example, 136788 + ... + 143844.

It is an arithmetic number, because the mean of its divisors is an integer number (52567984).

Almost surely, 2^990210012 is an apocalyptic number.

It is an amenable number.

990210012 is an abundant number, since it is smaller than the sum of its proper divisors (1533053220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

990210012 is a wasteful number, since it uses less digits than its factorization.

990210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8138 (or 8136 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 990210012 is about 31467.6025778895. The cubic root of 990210012 is about 996.7259630472.

The spelling of 990210012 in words is "nine hundred ninety million, two hundred ten thousand, twelve".