12641113123 has 2 divisors, whose sum is σ = 12641113124. Its totient is φ = 12641113122.

The previous prime is 12641113087. The next prime is 12641113127. The reversal of 12641113123 is 32131114621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12641113123 - 2¹⁷ = 12640982051 is a prime.

It is not a weakly prime, because it can be changed into another prime (12641113127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6320556561 + 6320556562.

It is an arithmetic number, because the mean of its divisors is an integer number (6320556562).

Almost surely, 2^12641113123 is an apocalyptic number.

12641113123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12641113123 is an equidigital number, since it uses as much as digits as its factorization.

12641113123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

Adding to 12641113123 its reverse (32131114621), we get a palindrome (44772227744).

The spelling of 12641113123 in words is "twelve billion, six hundred forty-one million, one hundred thirteen thousand, one hundred twenty-three".