12237279797191 has 2 divisors, whose sum is σ = 12237279797192. Its totient is φ = 12237279797190.

The previous prime is 12237279797189. The next prime is 12237279797213. The reversal of 12237279797191 is 19179797273221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12237279797191 - 2¹ = 12237279797189 is a prime.

Together with 12237279797189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12237279797111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6118639898595 + 6118639898596.

It is an arithmetic number, because the mean of its divisors is an integer number (6118639898596).

Almost surely, 2^{12237279797191} is an apocalyptic number.

12237279797191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12237279797191 is an equidigital number, since it uses as much as digits as its factorization.

12237279797191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42007896, while the sum is 67.

The spelling of 12237279797191 in words is "twelve trillion, two hundred thirty-seven billion, two hundred seventy-nine million, seven hundred ninety-seven thousand, one hundred ninety-one".