12127085523 has 12 divisors (see below), whose sum is σ = 20019315888. Its totient is φ = 6929763120.

The previous prime is 12127085489. The next prime is 12127085567. The reversal of 12127085523 is 32558072121.

12127085523 is a `hidden beast` number, since 1 + 2 + 127 + 0 + 8 + 5 + 523 = 666.

It is not a de Polignac number, because 12127085523 - 2⁶ = 12127085459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12127085123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96246648 + ... + 96246773.

It is an arithmetic number, because the mean of its divisors is an integer number (1668276324).

Almost surely, 2^12127085523 is an apocalyptic number.

12127085523 is a deficient number, since it is larger than the sum of its proper divisors (7892230365).

12127085523 is a wasteful number, since it uses less digits than its factorization.

12127085523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192493434 (or 192493431 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 12127085523 in words is "twelve billion, one hundred twenty-seven million, eighty-five thousand, five hundred twenty-three".