12188046117 has 16 divisors (see below), whose sum is σ = 17540673920. Its totient is φ = 7483240512.

The previous prime is 12188046103. The next prime is 12188046131. The reversal of 12188046117 is 71164088121.

It is an interprime number because it is at equal distance from previous prime (12188046103) and next prime (12188046131).

It is not a de Polignac number, because 12188046117 - 2⁶ = 12188046053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12188046197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338818 + ... + 373059.

It is an arithmetic number, because the mean of its divisors is an integer number (1096292120).

Almost surely, 2^12188046117 is an apocalyptic number.

It is an amenable number.

12188046117 is a deficient number, since it is larger than the sum of its proper divisors (5352627803).

12188046117 is a wasteful number, since it uses less digits than its factorization.

12188046117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712332.

The product of its (nonzero) digits is 21504, while the sum is 39.

The spelling of 12188046117 in words is "twelve billion, one hundred eighty-eight million, forty-six thousand, one hundred seventeen".