12642473267219 has 2 divisors, whose sum is σ = 12642473267220. Its totient is φ = 12642473267218.

The previous prime is 12642473267153. The next prime is 12642473267231. The reversal of 12642473267219 is 91276237424621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12642473267219 - 2⁸ = 12642473266963 is a prime.

It is a super-2 number, since 2×12642473267219² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12642473267719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6321236633609 + 6321236633610.

It is an arithmetic number, because the mean of its divisors is an integer number (6321236633610).

Almost surely, 2^{12642473267219} is an apocalyptic number.

12642473267219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12642473267219 is an equidigital number, since it uses as much as digits as its factorization.

12642473267219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 56.

The spelling of 12642473267219 in words is "twelve trillion, six hundred forty-two billion, four hundred seventy-three million, two hundred sixty-seven thousand, two hundred nineteen".