121988650474876 has 12 divisors (see below), whose sum is σ = 213480218469672. Its totient is φ = 60994302340688.

The previous prime is 121988650474861. The next prime is 121988650474877. The reversal of 121988650474876 is 678474056889121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121988650474877) 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, 13255971 + ... + 20486533.

It is an arithmetic number, because the mean of its divisors is an integer number (17790018205806).

Almost surely, 2^{121988650474876} is an apocalyptic number.

It is an amenable number.

121988650474876 is a deficient number, since it is larger than the sum of its proper divisors (91491567994796).

121988650474876 is a wasteful number, since it uses less digits than its factorization.

121988650474876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11448380 (or 11448378 counting only the distinct ones).

The product of its (nonzero) digits is 1300561920, while the sum is 76.

The spelling of 121988650474876 in words is "one hundred twenty-one trillion, nine hundred eighty-eight billion, six hundred fifty million, four hundred seventy-four thousand, eight hundred seventy-six".