12043315220191 has 16 divisors (see below), whose sum is σ = 12469945697280. Its totient is φ = 11619121026240.

The previous prime is 12043315220147. The next prime is 12043315220203. The reversal of 12043315220191 is 19102251334021.

It is a cyclic number.

It is not a de Polignac number, because 12043315220191 - 2⁹ = 12043315219679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043315620191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13279260 + ... + 14157166.

It is an arithmetic number, because the mean of its divisors is an integer number (779371606080).

Almost surely, 2^{12043315220191} is an apocalyptic number.

12043315220191 is a deficient number, since it is larger than the sum of its proper divisors (426630477089).

12043315220191 is an equidigital number, since it uses as much as digits as its factorization.

12043315220191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879294.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 12043315220191 in words is "twelve trillion, forty-three billion, three hundred fifteen million, two hundred twenty thousand, one hundred ninety-one".