121076813636 has 24 divisors (see below), whose sum is σ = 229565619360. Its totient is φ = 55652268672.

The previous prime is 121076813609. The next prime is 121076813659. The reversal of 121076813636 is 636318670121.

121076813636 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20701046 + ... + 20706893.

It is an arithmetic number, because the mean of its divisors is an integer number (9565234140).

Almost surely, 2^121076813636 is an apocalyptic number.

It is an amenable number.

121076813636 is a deficient number, since it is larger than the sum of its proper divisors (108488805724).

121076813636 is a wasteful number, since it uses less digits than its factorization.

121076813636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41408003 (or 41408001 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 121076813636 in words is "one hundred twenty-one billion, seventy-six million, eight hundred thirteen thousand, six hundred thirty-six".