121752363402 has 12 divisors (see below), whose sum is σ = 263796787410. Its totient is φ = 40584121128.

The previous prime is 121752363377. The next prime is 121752363463. The reversal of 121752363402 is 204363257121.

121752363402 is a `hidden beast` number, since 1 + 2 + 17 + 5 + 2 + 3 + 634 + 0 + 2 = 666.

121752363402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 91186484841 + 30565878561 = 301971^2 + 174831^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3382010077 + ... + 3382010112.

Almost surely, 2^121752363402 is an apocalyptic number.

121752363402 is an abundant number, since it is smaller than the sum of its proper divisors (142044424008).

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

121752363402 is a wasteful number, since it uses less digits than its factorization.

121752363402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6764020197 (or 6764020194 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 121752363402 in words is "one hundred twenty-one billion, seven hundred fifty-two million, three hundred sixty-three thousand, four hundred two".