99624372124 has 12 divisors (see below), whose sum is σ = 178052069664. Its totient is φ = 48752352224.

The previous prime is 99624372119. The next prime is 99624372173. The reversal of 99624372124 is 42127342699.

99624372124 = T₂₅₇₇₁₂ + T₂₅₇₇₁₃ + T₂₅₇₇₁₄.

It is a happy number.

It is a super-2 number, since 2×99624372124² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264958249 + ... + 264958624.

It is an arithmetic number, because the mean of its divisors is an integer number (14837672472).

Almost surely, 2^99624372124 is an apocalyptic number.

99624372124 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

99624372124 is the 257714-th centered triangular number.

It is an amenable number.

99624372124 is a deficient number, since it is larger than the sum of its proper divisors (78427697540).

99624372124 is a wasteful number, since it uses less digits than its factorization.

99624372124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529916924 (or 529916922 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The spelling of 99624372124 in words is "ninety-nine billion, six hundred twenty-four million, three hundred seventy-two thousand, one hundred twenty-four".