99459704512 has 112 divisors (see below), whose sum is σ = 235518553600. Its totient is φ = 41633899776.

The previous prime is 99459704483. The next prime is 99459704581. The reversal of 99459704512 is 21540795499.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×99459704512² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891253 + ... + 996619.

Almost surely, 2^99459704512 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 99459704512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117759276800).

99459704512 is an abundant number, since it is smaller than the sum of its proper divisors (136058849088).

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

99459704512 is a wasteful number, since it uses less digits than its factorization.

99459704512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105443 (or 105419 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 99459704512 in words is "ninety-nine billion, four hundred fifty-nine million, seven hundred four thousand, five hundred twelve".