12137132866 has 8 divisors (see below), whose sum is σ = 18697745340. Its totient is φ = 5904551088.

The previous prime is 12137132863. The next prime is 12137132869. The reversal of 12137132866 is 66823173121.

It is an interprime number because it is at equal distance from previous prime (12137132863) and next prime (12137132869).

It can be written as a sum of positive squares in 2 ways, for example, as 11530249641 + 606883225 = 107379^2 + 24635^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12137132863) 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 3 ways as a sum of consecutive naturals, for example, 82007581 + ... + 82007728.

Almost surely, 2^12137132866 is an apocalyptic number.

12137132866 is a deficient number, since it is larger than the sum of its proper divisors (6560612474).

12137132866 is a wasteful number, since it uses less digits than its factorization.

12137132866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164015348.

The product of its digits is 72576, while the sum is 40.

The spelling of 12137132866 in words is "twelve billion, one hundred thirty-seven million, one hundred thirty-two thousand, eight hundred sixty-six".