9275128197120 has 624 divisors, whose sum is σ = 33888264158112. Its totient is φ = 2432740884480.

The previous prime is 9275128197061. The next prime is 9275128197161. The reversal of 9275128197120 is 217918215729.

9275128197120 is a `hidden beast` number, since 9 + 27 + 512 + 8 + 1 + 97 + 12 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 303559764 + ... + 303590316.

It is an arithmetic number, because the mean of its divisors is an integer number (54308115638).

Almost surely, 2^{9275128197120} is an apocalyptic number.

9275128197120 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9275128197120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16944132079056).

9275128197120 is an abundant number, since it is smaller than the sum of its proper divisors (24613135960992).

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

9275128197120 is an equidigital number, since it uses as much as digits as its factorization.

9275128197120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30658 (or 30624 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 54.

The spelling of 9275128197120 in words is "nine trillion, two hundred seventy-five billion, one hundred twenty-eight million, one hundred ninety-seven thousand, one hundred twenty".