121752373432 has 8 divisors (see below), whose sum is σ = 228285700200. Its totient is φ = 60876186712.

The previous prime is 121752373417. The next prime is 121752373433. The reversal of 121752373432 is 234373257121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121752373433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7609523332 + ... + 7609523347.

It is an arithmetic number, because the mean of its divisors is an integer number (28535712525).

Almost surely, 2^121752373432 is an apocalyptic number.

It is an amenable number.

121752373432 is a deficient number, since it is larger than the sum of its proper divisors (106533326768).

121752373432 is a wasteful number, since it uses less digits than its factorization.

121752373432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15219046685 (or 15219046681 counting only the distinct ones).

The product of its digits is 211680, while the sum is 40.

The spelling of 121752373432 in words is "one hundred twenty-one billion, seven hundred fifty-two million, three hundred seventy-three thousand, four hundred thirty-two".