122212112228999 has 24 divisors (see below), whose sum is σ = 138109169452320. Its totient is φ = 107891320323072.

The previous prime is 122212112228933. The next prime is 122212112229001. The reversal of 122212112228999 is 999822211212221.

It is not a de Polignac number, because 122212112228999 - 2³⁶ = 122143392752263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122212112228999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212112228909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25773647 + ... + 30144735.

It is an arithmetic number, because the mean of its divisors is an integer number (5754548727180).

Almost surely, 2^{122212112228999} is an apocalyptic number.

122212112228999 is a deficient number, since it is larger than the sum of its proper divisors (15897057223321).

122212112228999 is a wasteful number, since it uses less digits than its factorization.

122212112228999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378331 (or 4378318 counting only the distinct ones).

The product of its digits is 746496, while the sum is 53.

The spelling of 122212112228999 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred twelve million, two hundred twenty-eight thousand, nine hundred ninety-nine".