12320655909719 has 2 divisors, whose sum is σ = 12320655909720. Its totient is φ = 12320655909718.

The previous prime is 12320655909673. The next prime is 12320655909827. The reversal of 12320655909719 is 91790955602321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12320655909719 is a prime.

It is a super-2 number, since 2×12320655909719² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12320655900719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160327954859 + 6160327954860.

It is an arithmetic number, because the mean of its divisors is an integer number (6160327954860).

Almost surely, 2^{12320655909719} is an apocalyptic number.

12320655909719 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320655909719 is an equidigital number, since it uses as much as digits as its factorization.

12320655909719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9185400, while the sum is 59.

The spelling of 12320655909719 in words is "twelve trillion, three hundred twenty billion, six hundred fifty-five million, nine hundred nine thousand, seven hundred nineteen".