121752662784 has 36 divisors (see below), whose sum is σ = 324039641016. Its totient is φ = 40584220672.

The previous prime is 121752662711. The next prime is 121752662791. The reversal of 121752662784 is 487266257121.

121752662784 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79265289 + ... + 79266824.

Almost surely, 2^121752662784 is an apocalyptic number.

It is an amenable number.

121752662784 is an abundant number, since it is smaller than the sum of its proper divisors (202286978232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121752662784 is an equidigital number, since it uses as much as digits as its factorization.

121752662784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158532132 (or 158532118 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The spelling of 121752662784 in words is "one hundred twenty-one billion, seven hundred fifty-two million, six hundred sixty-two thousand, seven hundred eighty-four".