9907272120972 has 24 divisors (see below), whose sum is σ = 24333650824000. Its totient is φ = 3128612248656.

The previous prime is 9907272120943. The next prime is 9907272121001. The reversal of 9907272120972 is 2790212727099.

It is an interprime number because it is at equal distance from previous prime (9907272120943) and next prime (9907272121001).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21726473722 + ... + 21726474177.

Almost surely, 2^{9907272120972} is an apocalyptic number.

It is an amenable number.

9907272120972 is an abundant number, since it is smaller than the sum of its proper divisors (14426378703028).

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

9907272120972 is a wasteful number, since it uses less digits than its factorization.

9907272120972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43452947925 (or 43452947923 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 57.

The spelling of 9907272120972 in words is "nine trillion, nine hundred seven billion, two hundred seventy-two million, one hundred twenty thousand, nine hundred seventy-two".