9902021312332 has 12 divisors (see below), whose sum is σ = 17346023214016. Its totient is φ = 4946014679760.

The previous prime is 9902021312291. The next prime is 9902021312353. The reversal of 9902021312332 is 2332131202099.

It is a junction number, because it is equal to n+sod(n) for n = 9902021312291 and 9902021312300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1248989643 + ... + 1248997570.

Almost surely, 2^{9902021312332} is an apocalyptic number.

It is an amenable number.

9902021312332 is a deficient number, since it is larger than the sum of its proper divisors (7444001901684).

9902021312332 is a wasteful number, since it uses less digits than its factorization.

9902021312332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497988208 (or 2497988206 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 9902021312332 in words is "nine trillion, nine hundred two billion, twenty-one million, three hundred twelve thousand, three hundred thirty-two".