99238182912 has 576 divisors, whose sum is σ = 329958763680. Its totient is φ = 29780213760.

The previous prime is 99238182889. The next prime is 99238182913. The reversal of 99238182912 is 21928183299.

It is a tau number, because it is divible by the number of its divisors (576).

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (99238182913) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 963477453 + ... + 963477555.

Almost surely, 2^99238182912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99238182912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164979381840).

99238182912 is an abundant number, since it is smaller than the sum of its proper divisors (230720580768).

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

99238182912 is an equidigital number, since it uses as much as digits as its factorization.

99238182912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 119 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The spelling of 99238182912 in words is "ninety-nine billion, two hundred thirty-eight million, one hundred eighty-two thousand, nine hundred twelve".