122997088242 has 126 divisors (see below), whose sum is σ = 312204360429. Its totient is φ = 34996207680.

The previous prime is 122997088223. The next prime is 122997088343. The reversal of 122997088242 is 242880799221.

It can be written as a sum of positive squares in 2 ways, for example, as 114610008681 + 8387079561 = 338541^2 + 91581^2 .

It is a tau number, because it is divible by the number of its divisors (126).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=247989.

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 510361242 + ... + 510361482.

Almost surely, 2^122997088242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122997088242

122997088242 is an abundant number, since it is smaller than the sum of its proper divisors (189207272187).

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

122997088242 is an frugal number, since it uses more digits than its factorization.

122997088242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 122997088242 in words is "one hundred twenty-two billion, nine hundred ninety-seven million, eighty-eight thousand, two hundred forty-two".