899902212002120 has 32 divisors (see below), whose sum is σ = 2024815531404600. Its totient is φ = 359954564018688.

The previous prime is 899902212002069. The next prime is 899902212002147. The reversal of 899902212002120 is 21200212209998.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 736677415807204 + 163224796194916 = 27141802^2 + 12775946^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195217685 + ... + 199774244.

Almost surely, 2^{899902212002120} is an apocalyptic number.

It is an amenable number.

899902212002120 is an abundant number, since it is smaller than the sum of its proper divisors (1124913319402480).

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

899902212002120 is a wasteful number, since it uses less digits than its factorization.

899902212002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395048897 (or 395048893 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 899902212002120 in words is "eight hundred ninety-nine trillion, nine hundred two billion, two hundred twelve million, two thousand, one hundred twenty".