9901298512 has 20 divisors (see below), whose sum is σ = 21924304096. Its totient is φ = 4243413600.

The previous prime is 9901298503. The next prime is 9901298573. The reversal of 9901298512 is 2158921099.

It is a congruent number.

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, 44202114 + ... + 44202337.

Almost surely, 2^9901298512 is an apocalyptic number.

It is an amenable number.

9901298512 is an abundant number, since it is smaller than the sum of its proper divisors (12023005584).

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

9901298512 is a wasteful number, since it uses less digits than its factorization.

9901298512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88404466 (or 88404460 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 9901298512 is about 99505.2687650257. The cubic root of 9901298512 is about 2147.3230437984.

The spelling of 9901298512 in words is "nine billion, nine hundred one million, two hundred ninety-eight thousand, five hundred twelve".