12231040819 has 2 divisors, whose sum is σ = 12231040820. Its totient is φ = 12231040818.

The previous prime is 12231040777. The next prime is 12231040849. The reversal of 12231040819 is 91804013221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12231040819 - 2²⁵ = 12197486387 is a prime.

It is a super-2 number, since 2×12231040819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12231040849) 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, 6115520409 + 6115520410.

It is an arithmetic number, because the mean of its divisors is an integer number (6115520410).

Almost surely, 2^12231040819 is an apocalyptic number.

12231040819 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231040819 is an equidigital number, since it uses as much as digits as its factorization.

12231040819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 12231040819 in words is "twelve billion, two hundred thirty-one million, forty thousand, eight hundred nineteen".