12191412012271 has 2 divisors, whose sum is σ = 12191412012272. Its totient is φ = 12191412012270.

The previous prime is 12191412012229. The next prime is 12191412012289. The reversal of 12191412012271 is 17221021419121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12191412012271 - 2¹⁵ = 12191411979503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12191412018271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6095706006135 + 6095706006136.

It is an arithmetic number, because the mean of its divisors is an integer number (6095706006136).

Almost surely, 2^{12191412012271} is an apocalyptic number.

12191412012271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12191412012271 is an equidigital number, since it uses as much as digits as its factorization.

12191412012271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 12191412012271 in words is "twelve trillion, one hundred ninety-one billion, four hundred twelve million, twelve thousand, two hundred seventy-one".