12043315620191 has 2 divisors, whose sum is σ = 12043315620192. Its totient is φ = 12043315620190.

The previous prime is 12043315620143. The next prime is 12043315620209. The reversal of 12043315620191 is 19102651334021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12043315620191 - 2⁴² = 7645269109087 is a prime.

It is a super-2 number, since 2×12043315620191² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12043315620691) 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, 6021657810095 + 6021657810096.

It is an arithmetic number, because the mean of its divisors is an integer number (6021657810096).

Almost surely, 2^{12043315620191} is an apocalyptic number.

12043315620191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12043315620191 is an equidigital number, since it uses as much as digits as its factorization.

12043315620191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 12043315620191 in words is "twelve trillion, forty-three billion, three hundred fifteen million, six hundred twenty thousand, one hundred ninety-one".