122556661316 has 24 divisors (see below), whose sum is σ = 223817549760. Its totient is φ = 58609228832.

The previous prime is 122556661309. The next prime is 122556661319. The reversal of 122556661316 is 613166655221.

It is a super-3 number, since 3×122556661316³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (122556661319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1231550 + ... + 1327338.

It is an arithmetic number, because the mean of its divisors is an integer number (9325731240).

Almost surely, 2^122556661316 is an apocalyptic number.

It is an amenable number.

122556661316 is a deficient number, since it is larger than the sum of its proper divisors (101260888444).

122556661316 is a wasteful number, since it uses less digits than its factorization.

122556661316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109723 (or 109721 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The spelling of 122556661316 in words is "one hundred twenty-two billion, five hundred fifty-six million, six hundred sixty-one thousand, three hundred sixteen".