12065105243 has 2 divisors, whose sum is σ = 12065105244. Its totient is φ = 12065105242.

The previous prime is 12065105191. The next prime is 12065105257. The reversal of 12065105243 is 34250156021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12065105243 - 2²⁶ = 11997996379 is a prime.

It is not a weakly prime, because it can be changed into another prime (12065105293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6032552621 + 6032552622.

It is an arithmetic number, because the mean of its divisors is an integer number (6032552622).

Almost surely, 2^12065105243 is an apocalyptic number.

12065105243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12065105243 is an equidigital number, since it uses as much as digits as its factorization.

12065105243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 12065105243 in words is "twelve billion, sixty-five million, one hundred five thousand, two hundred forty-three".