122112120999 has 16 divisors (see below), whose sum is σ = 180968909184. Its totient is φ = 72610980000.

The previous prime is 122112120983. The next prime is 122112121037. The reversal of 122112120999 is 999021211221.

It is a happy number.

It is not a de Polignac number, because 122112120999 - 2⁴ = 122112120983 is a prime.

It is a super-2 number, since 2×122112120999² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112122999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34907377 + ... + 34910874.

It is an arithmetic number, because the mean of its divisors is an integer number (11310556824).

Almost surely, 2^122112120999 is an apocalyptic number.

122112120999 is a deficient number, since it is larger than the sum of its proper divisors (58856788185).

122112120999 is a wasteful number, since it uses less digits than its factorization.

122112120999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69818318.

The product of its (nonzero) digits is 11664, while the sum is 39.

The spelling of 122112120999 in words is "one hundred twenty-two billion, one hundred twelve million, one hundred twenty thousand, nine hundred ninety-nine".