122615377116 has 12 divisors (see below), whose sum is σ = 286102546632. Its totient is φ = 40871792368.

The previous prime is 122615377111. The next prime is 122615377123. The reversal of 122615377116 is 611773516221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122615377111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5108974035 + ... + 5108974058.

It is an arithmetic number, because the mean of its divisors is an integer number (23841878886).

Almost surely, 2^122615377116 is an apocalyptic number.

It is an amenable number.

122615377116 is an abundant number, since it is smaller than the sum of its proper divisors (163487169516).

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

122615377116 is a wasteful number, since it uses less digits than its factorization.

122615377116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10217948100 (or 10217948098 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The spelling of 122615377116 in words is "one hundred twenty-two billion, six hundred fifteen million, three hundred seventy-seven thousand, one hundred sixteen".