122099122908 has 288 divisors, whose sum is σ = 369893526912. Its totient is φ = 33234739200.

The previous prime is 122099122903. The next prime is 122099122909. The reversal of 122099122908 is 809221990221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122099122903) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 160445248 + ... + 160446008.

It is an arithmetic number, because the mean of its divisors is an integer number (1284352524).

Almost surely, 2^122099122908 is an apocalyptic number.

122099122908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122099122908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184946763456).

122099122908 is an abundant number, since it is smaller than the sum of its proper divisors (247794404004).

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

122099122908 is a wasteful number, since it uses less digits than its factorization.

122099122908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1160 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 122099122908 in words is "one hundred twenty-two billion, ninety-nine million, one hundred twenty-two thousand, nine hundred eight".