12191882903 has 2 divisors, whose sum is σ = 12191882904. Its totient is φ = 12191882902.

The previous prime is 12191882851. The next prime is 12191882993. The reversal of 12191882903 is 30928819121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12191882903 - 2¹⁰ = 12191881879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12191882993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6095941451 + 6095941452.

It is an arithmetic number, because the mean of its divisors is an integer number (6095941452).

Almost surely, 2^12191882903 is an apocalyptic number.

12191882903 is a deficient number, since it is larger than the sum of its proper divisors (1).

12191882903 is an equidigital number, since it uses as much as digits as its factorization.

12191882903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 44.

The spelling of 12191882903 in words is "twelve billion, one hundred ninety-one million, eight hundred eighty-two thousand, nine hundred three".