121393596717 has 6 divisors (see below), whose sum is σ = 175346306382. Its totient is φ = 80929064472.

The previous prime is 121393596707. The next prime is 121393596739. The reversal of 121393596717 is 717695393121.

121393596717 is a `hidden beast` number, since 1 + 2 + 1 + 39 + 3 + 596 + 7 + 17 = 666.

It can be written as a sum of positive squares in only one way, i.e., 77636905956 + 43756690761 = 278634^2 + 209181^2 .

It is not a de Polignac number, because 121393596717 - 2⁸ = 121393596461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121393596707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6744088698 + ... + 6744088715.

It is an arithmetic number, because the mean of its divisors is an integer number (29224384397).

Almost surely, 2^121393596717 is an apocalyptic number.

It is an amenable number.

121393596717 is a deficient number, since it is larger than the sum of its proper divisors (53952709665).

121393596717 is a wasteful number, since it uses less digits than its factorization.

121393596717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13488177419 (or 13488177416 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 54.

The spelling of 121393596717 in words is "one hundred twenty-one billion, three hundred ninety-three million, five hundred ninety-six thousand, seven hundred seventeen".