12320965807 has 2 divisors, whose sum is σ = 12320965808. Its totient is φ = 12320965806.

The previous prime is 12320965733. The next prime is 12320965831. The reversal of 12320965807 is 70856902321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12320965807 is a prime.

It is a super-2 number, since 2×12320965807² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12320965837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160482903 + 6160482904.

It is an arithmetic number, because the mean of its divisors is an integer number (6160482904).

Almost surely, 2^12320965807 is an apocalyptic number.

12320965807 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320965807 is an equidigital number, since it uses as much as digits as its factorization.

12320965807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 12320965807 in words is "twelve billion, three hundred twenty million, nine hundred sixty-five thousand, eight hundred seven".