12203243191 has 2 divisors, whose sum is σ = 12203243192. Its totient is φ = 12203243190.

The previous prime is 12203243159. The next prime is 12203243219. The reversal of 12203243191 is 19134230221.

It is a happy number.

It is an a-pointer prime, because the next prime (12203243219) can be obtained adding 12203243191 to its sum of digits (28).

It is a strong prime.

It is an emirp because it is prime and its reverse (19134230221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12203243191 - 2⁵ = 12203243159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12203243141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101621595 + 6101621596.

It is an arithmetic number, because the mean of its divisors is an integer number (6101621596).

Almost surely, 2^12203243191 is an apocalyptic number.

12203243191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203243191 is an equidigital number, since it uses as much as digits as its factorization.

12203243191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 12203243191 in words is "twelve billion, two hundred three million, two hundred forty-three thousand, one hundred ninety-one".