122716388116 has 36 divisors (see below), whose sum is σ = 251083682388. Its totient is φ = 52325753088.

The previous prime is 122716388089. The next prime is 122716388129. The reversal of 122716388116 is 611883617221.

It can be written as a sum of positive squares in 2 ways, for example, as 57721984516 + 64994403600 = 240254^2 + 254940^2 .

It is a super-3 number, since 3×122716388116³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1550485 + ... + 1627708.

It is an arithmetic number, because the mean of its divisors is an integer number (6974546733).

Almost surely, 2^122716388116 is an apocalyptic number.

It is an amenable number.

122716388116 is an abundant number, since it is smaller than the sum of its proper divisors (128367294272).

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

122716388116 is a wasteful number, since it uses less digits than its factorization.

122716388116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178408 (or 3178399 counting only the distinct ones).

The product of its digits is 193536, while the sum is 46.

The spelling of 122716388116 in words is "one hundred twenty-two billion, seven hundred sixteen million, three hundred eighty-eight thousand, one hundred sixteen".