122516712718 has 48 divisors (see below), whose sum is σ = 197567541360. Its totient is φ = 56964059136.

The previous prime is 122516712707. The next prime is 122516712719. The reversal of 122516712718 is 817217615221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122516712719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41431296 + ... + 41434252.

It is an arithmetic number, because the mean of its divisors is an integer number (4115990445).

Almost surely, 2^122516712718 is an apocalyptic number.

122516712718 is a deficient number, since it is larger than the sum of its proper divisors (75050828642).

122516712718 is a wasteful number, since it uses less digits than its factorization.

122516712718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829 (or 3812 counting only the distinct ones).

The product of its digits is 94080, while the sum is 43.

The spelling of 122516712718 in words is "one hundred twenty-two billion, five hundred sixteen million, seven hundred twelve thousand, seven hundred eighteen".