121434815036 has 48 divisors (see below), whose sum is σ = 224448991200. Its totient is φ = 57422204928.

The previous prime is 121434815017. The next prime is 121434815039. The reversal of 121434815036 is 630518434121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121434815039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699020 + ... + 855276.

It is an arithmetic number, because the mean of its divisors is an integer number (4676020650).

Almost surely, 2^121434815036 is an apocalyptic number.

It is an amenable number.

121434815036 is a deficient number, since it is larger than the sum of its proper divisors (103014176164).

121434815036 is a wasteful number, since it uses less digits than its factorization.

121434815036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156446 (or 156444 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 121434815036 in words is "one hundred twenty-one billion, four hundred thirty-four million, eight hundred fifteen thousand, thirty-six".