122112010999 has 16 divisors (see below), whose sum is σ = 137529916416. Its totient is φ = 107414596800.

The previous prime is 122112010981. The next prime is 122112011003. The reversal of 122112010999 is 999010211221.

It is a cyclic number.

It is not a de Polignac number, because 122112010999 - 2²⁵ = 122078456567 is a prime.

It is a super-2 number, since 2×122112010999² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112010949) 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, 2838619 + ... + 2881315.

It is an arithmetic number, because the mean of its divisors is an integer number (8595619776).

Almost surely, 2^122112010999 is an apocalyptic number.

122112010999 is a deficient number, since it is larger than the sum of its proper divisors (15417905417).

122112010999 is a wasteful number, since it uses less digits than its factorization.

122112010999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51126.

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 122112010999 in words is "one hundred twenty-two billion, one hundred twelve million, ten thousand, nine hundred ninety-nine".