9800018312 has 32 divisors (see below), whose sum is σ = 21034149120. Its totient is φ = 4193185920.

The previous prime is 9800018309. The next prime is 9800018323. The reversal of 9800018312 is 2138100089.

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, 107264 + ... + 176367.

It is an arithmetic number, because the mean of its divisors is an integer number (657317160).

Almost surely, 2^9800018312 is an apocalyptic number.

It is an amenable number.

9800018312 is an abundant number, since it is smaller than the sum of its proper divisors (11234130808).

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

9800018312 is a wasteful number, since it uses less digits than its factorization.

9800018312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284261 (or 284257 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 9800018312 is about 98995.0418556404. The cubic root of 9800018312 is about 2139.9762940280.

The spelling of 9800018312 in words is "nine billion, eight hundred million, eighteen thousand, three hundred twelve".