12000117506787 has 24 divisors (see below), whose sum is σ = 17396300922000. Its totient is φ = 7971113707200.

The previous prime is 12000117506761. The next prime is 12000117506789. The reversal of 12000117506787 is 78760571100021.

12000117506787 is a `hidden beast` number, since 1 + 20 + 0 + 0 + 117 + 506 + 7 + 8 + 7 = 666.

It is not a de Polignac number, because 12000117506787 - 2²⁴ = 12000100729571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12000117506789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6805537 + ... + 8385437.

It is an arithmetic number, because the mean of its divisors is an integer number (724845871750).

Almost surely, 2^{12000117506787} is an apocalyptic number.

12000117506787 is a deficient number, since it is larger than the sum of its proper divisors (5396183415213).

12000117506787 is a wasteful number, since it uses less digits than its factorization.

12000117506787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582963 (or 1582960 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 45.

The spelling of 12000117506787 in words is "twelve trillion, one hundred seventeen million, five hundred six thousand, seven hundred eighty-seven".