12043534164191 has 2 divisors, whose sum is σ = 12043534164192. Its totient is φ = 12043534164190.

The previous prime is 12043534164119. The next prime is 12043534164197. The reversal of 12043534164191 is 19146143534021.

Together with previous prime (12043534164119) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12043534164191 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12043534164197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021767082095 + 6021767082096.

It is an arithmetic number, because the mean of its divisors is an integer number (6021767082096).

Almost surely, 2^{12043534164191} is an apocalyptic number.

12043534164191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12043534164191 is an equidigital number, since it uses as much as digits as its factorization.

12043534164191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 12043534164191 in words is "twelve trillion, forty-three billion, five hundred thirty-four million, one hundred sixty-four thousand, one hundred ninety-one".