121752714100 has 36 divisors (see below), whose sum is σ = 264245562028. Its totient is φ = 48693312000.

The previous prime is 121752714073. The next prime is 121752714157. The reversal of 121752714100 is 1417257121.

It can be written as a sum of positive squares in 6 ways, for example, as 3645019876 + 118107694224 = 60374^2 + 343668^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 554170 + ... + 742030.

Almost surely, 2^121752714100 is an apocalyptic number.

121752714100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121752714100 is an abundant number, since it is smaller than the sum of its proper divisors (142492847928).

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

121752714100 is a wasteful number, since it uses less digits than its factorization.

121752714100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194356 (or 194349 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The spelling of 121752714100 in words is "one hundred twenty-one billion, seven hundred fifty-two million, seven hundred fourteen thousand, one hundred".