99018456012 has 72 divisors (see below), whose sum is σ = 286092957696. Its totient is φ = 28287067104.

The previous prime is 99018455981. The next prime is 99018456077. The reversal of 99018456012 is 21065481099.

99018456012 is a `hidden beast` number, since 9 + 9 + 0 + 1 + 84 + 560 + 1 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2134933 + ... + 2180819.

Almost surely, 2^99018456012 is an apocalyptic number.

It is an amenable number.

99018456012 is an abundant number, since it is smaller than the sum of its proper divisors (187074501684).

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

99018456012 is a wasteful number, since it uses less digits than its factorization.

99018456012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54467 (or 54462 counting only the distinct ones).

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

The spelling of 99018456012 in words is "ninety-nine billion, eighteen million, four hundred fifty-six thousand, twelve".