121682193775 has 24 divisors (see below), whose sum is σ = 151639356960. Its totient is φ = 96860259840.

The previous prime is 121682193739. The next prime is 121682193781. The reversal of 121682193775 is 577391286121.

It is not a de Polignac number, because 121682193775 - 2⁹ = 121682193263 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9365934 + ... + 9378916.

It is an arithmetic number, because the mean of its divisors is an integer number (6318306540).

Almost surely, 2^121682193775 is an apocalyptic number.

121682193775 is a deficient number, since it is larger than the sum of its proper divisors (29957163185).

121682193775 is a wasteful number, since it uses less digits than its factorization.

121682193775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14835 (or 14830 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 52.

The spelling of 121682193775 in words is "one hundred twenty-one billion, six hundred eighty-two million, one hundred ninety-three thousand, seven hundred seventy-five".