12137208995 has 4 divisors (see below), whose sum is σ = 14564650800. Its totient is φ = 9709767192.

The previous prime is 12137208971. The next prime is 12137209031. The reversal of 12137208995 is 59980273121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12137208995 - 2⁶ = 12137208931 is a prime.

It is an unprimeable number.

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, 1213720895 + ... + 1213720904.

It is an arithmetic number, because the mean of its divisors is an integer number (3641162700).

Almost surely, 2^12137208995 is an apocalyptic number.

12137208995 is a deficient number, since it is larger than the sum of its proper divisors (2427441805).

12137208995 is an equidigital number, since it uses as much as digits as its factorization.

12137208995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427441804.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 12137208995 in words is "twelve billion, one hundred thirty-seven million, two hundred eight thousand, nine hundred ninety-five".