12191412012289 has 2 divisors, whose sum is σ = 12191412012290. Its totient is φ = 12191412012288.

The previous prime is 12191412012271. The next prime is 12191412012301. The reversal of 12191412012289 is 98221021419121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10823389371664 + 1368022640625 = 3289892^2 + 1169625^2 .

It is a cyclic number.

It is not a de Polignac number, because 12191412012289 - 2⁹ = 12191412011777 is a prime.

It is not a weakly prime, because it can be changed into another prime (12191412012229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6095706006144 + 6095706006145.

It is an arithmetic number, because the mean of its divisors is an integer number (6095706006145).

Almost surely, 2^{12191412012289} is an apocalyptic number.

It is an amenable number.

12191412012289 is a deficient number, since it is larger than the sum of its proper divisors (1).

12191412012289 is an equidigital number, since it uses as much as digits as its factorization.

12191412012289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 43.

The spelling of 12191412012289 in words is "twelve trillion, one hundred ninety-one billion, four hundred twelve million, twelve thousand, two hundred eighty-nine".