12127107745500 has 96 divisors (see below), whose sum is σ = 38524513966848. Its totient is φ = 2939904904000.

The previous prime is 12127107745477. The next prime is 12127107745513. The reversal of 12127107745500 is 554770172121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367471614 + ... + 367504613.

It is an arithmetic number, because the mean of its divisors is an integer number (401297020488).

Almost surely, 2^{12127107745500} is an apocalyptic number.

12127107745500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12127107745500 is an abundant number, since it is smaller than the sum of its proper divisors (26397406221348).

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

12127107745500 is a wasteful number, since it uses less digits than its factorization.

12127107745500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734976260 (or 734976248 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 42.

The spelling of 12127107745500 in words is "twelve trillion, one hundred twenty-seven billion, one hundred seven million, seven hundred forty-five thousand, five hundred".