121846876742198 has 8 divisors (see below), whose sum is σ = 182949677545320. Its totient is φ = 60863650893760.

The previous prime is 121846876742191. The next prime is 121846876742287. The reversal of 121846876742198 is 891247678648121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121846876742198² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121846876742191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29893736123 + ... + 29893740198.

It is an arithmetic number, because the mean of its divisors is an integer number (22868709693165).

Almost surely, 2^{121846876742198} is an apocalyptic number.

121846876742198 is a deficient number, since it is larger than the sum of its proper divisors (61102800803122).

121846876742198 is a wasteful number, since it uses less digits than its factorization.

121846876742198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59787477342.

The product of its digits is 520224768, while the sum is 74.

The spelling of 121846876742198 in words is "one hundred twenty-one trillion, eight hundred forty-six billion, eight hundred seventy-six million, seven hundred forty-two thousand, one hundred ninety-eight".