122894486988186 has 32 divisors (see below), whose sum is σ = 247315012420608. Its totient is φ = 40710904508160.

The previous prime is 122894486988179. The next prime is 122894486988191. The reversal of 122894486988186 is 681889684498221.

It is a super-2 number, since 2×122894486988186² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122894486988099 and 122894486988108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50722171 + ... + 53089806.

It is an arithmetic number, because the mean of its divisors is an integer number (7728594138144).

Almost surely, 2^{122894486988186} is an apocalyptic number.

122894486988186 is an abundant number, since it is smaller than the sum of its proper divisors (124420525432422).

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

122894486988186 is a wasteful number, since it uses less digits than its factorization.

122894486988186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103813206.

The product of its digits is 6115295232, while the sum is 84.

The spelling of 122894486988186 in words is "one hundred twenty-two trillion, eight hundred ninety-four billion, four hundred eighty-six million, nine hundred eighty-eight thousand, one hundred eighty-six".