99681823122 has 32 divisors (see below), whose sum is σ = 228924017664. Its totient is φ = 28345539600.

The previous prime is 99681823121. The next prime is 99681823127. The reversal of 99681823122 is 22132818699.

It is not an unprimeable number, because it can be changed into a prime (99681823121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5615254 + ... + 5632977.

It is an arithmetic number, because the mean of its divisors is an integer number (7153875552).

Almost surely, 2^99681823122 is an apocalyptic number.

99681823122 is an abundant number, since it is smaller than the sum of its proper divisors (129242194542).

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

99681823122 is a wasteful number, since it uses less digits than its factorization.

99681823122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11248454.

The product of its digits is 746496, while the sum is 51.

The spelling of 99681823122 in words is "ninety-nine billion, six hundred eighty-one million, eight hundred twenty-three thousand, one hundred twenty-two".