122230715778512 has 20 divisors (see below), whose sum is σ = 258351285623136. Its totient is φ = 55559416262880.

The previous prime is 122230715778499. The next prime is 122230715778617. The reversal of 122230715778512 is 215877517032221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347246351468 + ... + 347246351819.

Almost surely, 2^{122230715778512} is an apocalyptic number.

It is an amenable number.

122230715778512 is an abundant number, since it is smaller than the sum of its proper divisors (136120569844624).

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

122230715778512 is a wasteful number, since it uses less digits than its factorization.

122230715778512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694492703306 (or 694492703300 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 53.

The spelling of 122230715778512 in words is "one hundred twenty-two trillion, two hundred thirty billion, seven hundred fifteen million, seven hundred seventy-eight thousand, five hundred twelve".