121917650086 has 8 divisors (see below), whose sum is σ = 182889438984. Its totient is φ = 60954503760.

The previous prime is 121917650083. The next prime is 121917650087. The reversal of 121917650086 is 680056719121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121917650083) 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, 2125260 + ... + 2181871.

It is an arithmetic number, because the mean of its divisors is an integer number (22861179873).

Almost surely, 2^121917650086 is an apocalyptic number.

121917650086 is a deficient number, since it is larger than the sum of its proper divisors (60971788898).

121917650086 is a wasteful number, since it uses less digits than its factorization.

121917650086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321286.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 121917650086 in words is "one hundred twenty-one billion, nine hundred seventeen million, six hundred fifty thousand, eighty-six".