12324215191 has 2 divisors, whose sum is σ = 12324215192. Its totient is φ = 12324215190.

The previous prime is 12324215171. The next prime is 12324215201. The reversal of 12324215191 is 19151242321.

It is a strong prime.

It is an emirp because it is prime and its reverse (19151242321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12324215191 - 2⁵ = 12324215159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12324215171) 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 as a sum of consecutive naturals, namely, 6162107595 + 6162107596.

It is an arithmetic number, because the mean of its divisors is an integer number (6162107596).

Almost surely, 2^12324215191 is an apocalyptic number.

12324215191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12324215191 is an equidigital number, since it uses as much as digits as its factorization.

12324215191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The spelling of 12324215191 in words is "twelve billion, three hundred twenty-four million, two hundred fifteen thousand, one hundred ninety-one".