99240000120 has 128 divisors (see below), whose sum is σ = 331406726400. Its totient is φ = 26415462528.

The previous prime is 99240000103. The next prime is 99240000127. The reversal of 99240000120 is 2100004299.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99240000127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506767 + ... + 674753.

It is an arithmetic number, because the mean of its divisors is an integer number (2589115050).

Almost surely, 2^99240000120 is an apocalyptic number.

99240000120 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 99240000120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165703363200).

99240000120 is an abundant number, since it is smaller than the sum of its proper divisors (232166726280).

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

99240000120 is a wasteful number, since it uses less digits than its factorization.

99240000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168554 (or 168544 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 99240000120 in words is "ninety-nine billion, two hundred forty million, one hundred twenty", and thus it is an aban number.