121677008636 has 6 divisors (see below), whose sum is σ = 212934765120. Its totient is φ = 60838504316.

The previous prime is 121677008633. The next prime is 121677008669. The reversal of 121677008636 is 636800776121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121677008633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15209626076 + ... + 15209626083.

It is an arithmetic number, because the mean of its divisors is an integer number (35489127520).

Almost surely, 2^121677008636 is an apocalyptic number.

It is an amenable number.

121677008636 is a deficient number, since it is larger than the sum of its proper divisors (91257756484).

121677008636 is a wasteful number, since it uses less digits than its factorization.

121677008636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30419252163 (or 30419252161 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 121677008636 in words is "one hundred twenty-one billion, six hundred seventy-seven million, eight thousand, six hundred thirty-six".