990130203212 has 12 divisors (see below), whose sum is σ = 1732956591240. Its totient is φ = 494999748576.

The previous prime is 990130203173. The next prime is 990130203217. The reversal of 990130203212 is 212302031099.

990130203212 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 (990130203217) 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, 16304162 + ... + 16364777.

It is an arithmetic number, because the mean of its divisors is an integer number (144413049270).

Almost surely, 2^990130203212 is an apocalyptic number.

It is an amenable number.

990130203212 is a deficient number, since it is larger than the sum of its proper divisors (742826388028).

990130203212 is a wasteful number, since it uses less digits than its factorization.

990130203212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32676520 (or 32676518 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 990130203212 in words is "nine hundred ninety billion, one hundred thirty million, two hundred three thousand, two hundred twelve".