12168641963 has 2 divisors, whose sum is σ = 12168641964. Its totient is φ = 12168641962.

The previous prime is 12168641951. The next prime is 12168641987. The reversal of 12168641963 is 36914686121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12168641963 - 2⁸ = 12168641707 is a prime.

It is not a weakly prime, because it can be changed into another prime (12168611963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6084320981 + 6084320982.

It is an arithmetic number, because the mean of its divisors is an integer number (6084320982).

Almost surely, 2^12168641963 is an apocalyptic number.

12168641963 is a deficient number, since it is larger than the sum of its proper divisors (1).

12168641963 is an equidigital number, since it uses as much as digits as its factorization.

12168641963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The spelling of 12168641963 in words is "twelve billion, one hundred sixty-eight million, six hundred forty-one thousand, nine hundred sixty-three".