121752417300 has 72 divisors (see below), whose sum is σ = 372992126976. Its totient is φ = 30557468160.

The previous prime is 121752417289. The next prime is 121752417329. The reversal of 121752417300 is 3714257121.

It is a super-2 number, since 2×121752417300² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11931412 + ... + 11941611.

It is an arithmetic number, because the mean of its divisors is an integer number (5180446208).

Almost surely, 2^121752417300 is an apocalyptic number.

121752417300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121752417300 is an abundant number, since it is smaller than the sum of its proper divisors (251239709676).

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

121752417300 is a wasteful number, since it uses less digits than its factorization.

121752417300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23873057 (or 23873050 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The spelling of 121752417300 in words is "one hundred twenty-one billion, seven hundred fifty-two million, four hundred seventeen thousand, three hundred".