122317532655 has 16 divisors (see below), whose sum is σ = 200481420384. Its totient is φ = 63644894720.

The previous prime is 122317532651. The next prime is 122317532681. The reversal of 122317532655 is 556235713221.

It is a happy number.

It is not a de Polignac number, because 122317532655 - 2² = 122317532651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122317532651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99444534 + ... + 99445763.

It is an arithmetic number, because the mean of its divisors is an integer number (12530088774).

Almost surely, 2^122317532655 is an apocalyptic number.

122317532655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122317532655 is a deficient number, since it is larger than the sum of its proper divisors (78163887729).

122317532655 is a wasteful number, since it uses less digits than its factorization.

122317532655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198890346.

The product of its digits is 378000, while the sum is 42.

The spelling of 122317532655 in words is "one hundred twenty-two billion, three hundred seventeen million, five hundred thirty-two thousand, six hundred fifty-five".