122792990988 has 24 divisors (see below), whose sum is σ = 289353783600. Its totient is φ = 40525739200.

The previous prime is 122792990951. The next prime is 122792991043. The reversal of 122792990988 is 889099297221.

It is a super-2 number, since 2×122792990988² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50655963 + ... + 50658386.

It is an arithmetic number, because the mean of its divisors is an integer number (12056407650).

Almost surely, 2^122792990988 is an apocalyptic number.

It is an amenable number.

122792990988 is an abundant number, since it is smaller than the sum of its proper divisors (166560792612).

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

122792990988 is a wasteful number, since it uses less digits than its factorization.

122792990988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101314457 (or 101314455 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 66.

The spelling of 122792990988 in words is "one hundred twenty-two billion, seven hundred ninety-two million, nine hundred ninety thousand, nine hundred eighty-eight".