12195289497571 has 2 divisors, whose sum is σ = 12195289497572. Its totient is φ = 12195289497570.

The previous prime is 12195289497529. The next prime is 12195289497631. The reversal of 12195289497571 is 17579498259121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12195289497571 - 2³⁵ = 12160929759203 is a prime.

It is a super-2 number, since 2×12195289497571² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12195289497571.

It is not a weakly prime, because it can be changed into another prime (12195289497971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6097644748785 + 6097644748786.

It is an arithmetic number, because the mean of its divisors is an integer number (6097644748786).

Almost surely, 2^{12195289497571} is an apocalyptic number.

12195289497571 is a deficient number, since it is larger than the sum of its proper divisors (1).

12195289497571 is an equidigital number, since it uses as much as digits as its factorization.

12195289497571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 114307200, while the sum is 70.

The spelling of 12195289497571 in words is "twelve trillion, one hundred ninety-five billion, two hundred eighty-nine million, four hundred ninety-seven thousand, five hundred seventy-one".