99642482212 has 24 divisors (see below), whose sum is σ = 214614577856. Its totient is φ = 39419003808.

The previous prime is 99642482179. The next prime is 99642482231. The reversal of 99642482212 is 21228424699.

It is a super-2 number, since 2×99642482212² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 136871178 + ... + 136871905.

Almost surely, 2^99642482212 is an apocalyptic number.

It is an amenable number.

99642482212 is an abundant number, since it is smaller than the sum of its proper divisors (114972095644).

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

99642482212 is a wasteful number, since it uses less digits than its factorization.

99642482212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273743107 (or 273743105 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The spelling of 99642482212 in words is "ninety-nine billion, six hundred forty-two million, four hundred eighty-two thousand, two hundred twelve".