122159324898 has 54 divisors (see below), whose sum is σ = 286649804259. Its totient is φ = 37581553152.

The previous prime is 122159324867. The next prime is 122159325011. The reversal of 122159324898 is 898423951221.

122159324898 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 593 + 2 + 48 + 9 + 8 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 6996151449 + 115163173449 = 83643^2 + 339357^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=247143.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19273986 + ... + 19280322.

Almost surely, 2^122159324898 is an apocalyptic number.

122159324898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122159324898

122159324898 is an abundant number, since it is smaller than the sum of its proper divisors (164490479361).

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

122159324898 is an frugal number, since it uses more digits than its factorization.

122159324898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12708 (or 6355 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The spelling of 122159324898 in words is "one hundred twenty-two billion, one hundred fifty-nine million, three hundred twenty-four thousand, eight hundred ninety-eight".