122112323198 has 4 divisors (see below), whose sum is σ = 183168484800. Its totient is φ = 61056161598.

The previous prime is 122112323197. The next prime is 122112323219. The reversal of 122112323198 is 891323211221.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×122112323198² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112323197) 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 as a sum of consecutive naturals, namely, 30528080798 + ... + 30528080801.

It is an arithmetic number, because the mean of its divisors is an integer number (45792121200).

Almost surely, 2^122112323198 is an apocalyptic number.

122112323198 is a deficient number, since it is larger than the sum of its proper divisors (61056161602).

122112323198 is an equidigital number, since it uses as much as digits as its factorization.

122112323198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61056161601.

The product of its digits is 10368, while the sum is 35.

The spelling of 122112323198 in words is "one hundred twenty-two billion, one hundred twelve million, three hundred twenty-three thousand, one hundred ninety-eight".