12090078117 has 32 divisors (see below), whose sum is σ = 19298348160. Its totient is φ = 7436448000.

The previous prime is 12090078031. The next prime is 12090078127. The reversal of 12090078117 is 71187009021.

It is not a de Polignac number, because 12090078117 - 2⁸ = 12090077861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12090078127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 841242 + ... + 855492.

It is an arithmetic number, because the mean of its divisors is an integer number (603073380).

Almost surely, 2^12090078117 is an apocalyptic number.

It is an amenable number.

12090078117 is a deficient number, since it is larger than the sum of its proper divisors (7208270043).

12090078117 is a wasteful number, since it uses less digits than its factorization.

12090078117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16690 (or 16684 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 36.

The spelling of 12090078117 in words is "twelve billion, ninety million, seventy-eight thousand, one hundred seventeen".