12137271187 has 8 divisors (see below), whose sum is σ = 12645891072. Its totient is φ = 11635969800.

The previous prime is 12137271169. The next prime is 12137271191. The reversal of 12137271187 is 78117273121.

12137271187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12137271187 - 2¹⁵ = 12137238419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12137278187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826239 + ... + 1832872.

It is an arithmetic number, because the mean of its divisors is an integer number (1580736384).

Almost surely, 2^12137271187 is an apocalyptic number.

12137271187 is a deficient number, since it is larger than the sum of its proper divisors (508619885).

12137271187 is a wasteful number, since it uses less digits than its factorization.

12137271187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659249.

The product of its digits is 32928, while the sum is 40.

The spelling of 12137271187 in words is "twelve billion, one hundred thirty-seven million, two hundred seventy-one thousand, one hundred eighty-seven".