122898935808 has 312 divisors, whose sum is σ = 389472220800. Its totient is φ = 37030625280.

The previous prime is 122898935767. The next prime is 122898935837. The reversal of 122898935808 is 808539898221.

122898935808 is a `hidden beast` number, since 122 + 89 + 89 + 358 + 0 + 8 = 666.

It is a super-2 number, since 2×122898935808² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80694535 + ... + 80696057.

It is an arithmetic number, because the mean of its divisors is an integer number (1248308400).

Almost surely, 2^122898935808 is an apocalyptic number.

122898935808 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 122898935808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194736110400).

122898935808 is an abundant number, since it is smaller than the sum of its proper divisors (266573284992).

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

122898935808 is a wasteful number, since it uses less digits than its factorization.

122898935808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 63.

The spelling of 122898935808 in words is "one hundred twenty-two billion, eight hundred ninety-eight million, nine hundred thirty-five thousand, eight hundred eight".