12196489171 has 2 divisors, whose sum is σ = 12196489172. Its totient is φ = 12196489170.

The previous prime is 12196489157. The next prime is 12196489183. The reversal of 12196489171 is 17198469121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12196489171 - 2²¹ = 12194392019 is a prime.

It is not a weakly prime, because it can be changed into another prime (12196489111) 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, 6098244585 + 6098244586.

It is an arithmetic number, because the mean of its divisors is an integer number (6098244586).

Almost surely, 2^12196489171 is an apocalyptic number.

12196489171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12196489171 is an equidigital number, since it uses as much as digits as its factorization.

12196489171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 49.

The spelling of 12196489171 in words is "twelve billion, one hundred ninety-six million, four hundred eighty-nine thousand, one hundred seventy-one".