99256182120 has 48 divisors (see below), whose sum is σ = 322582593060. Its totient is φ = 26468315136.

The previous prime is 99256182119. The next prime is 99256182127. The reversal of 99256182120 is 2128165299.

It is a happy number.

99256182120 is a `hidden beast` number, since 9 + 9 + 2 + 5 + 618 + 2 + 1 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 88348050756 + 10908131364 = 297234^2 + 104442^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (99256182127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137855449 + ... + 137856168.

Almost surely, 2^99256182120 is an apocalyptic number.

99256182120 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99256182120 is an abundant number, since it is smaller than the sum of its proper divisors (223326410940).

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

99256182120 is a wasteful number, since it uses less digits than its factorization.

99256182120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275711634 (or 275711627 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 99256182120 in words is "ninety-nine billion, two hundred fifty-six million, one hundred eighty-two thousand, one hundred twenty".