12163203271 has 4 divisors (see below), whose sum is σ = 12270842352. Its totient is φ = 12055564192.

The previous prime is 12163203263. The next prime is 12163203317. The reversal of 12163203271 is 17230236121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12163203271 - 2³ = 12163203263 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 (12163204271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53819371 + ... + 53819596.

It is an arithmetic number, because the mean of its divisors is an integer number (3067710588).

Almost surely, 2^12163203271 is an apocalyptic number.

12163203271 is a deficient number, since it is larger than the sum of its proper divisors (107639081).

12163203271 is a wasteful number, since it uses less digits than its factorization.

12163203271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107639080.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 12163203271 its reverse (17230236121), we get a palindrome (29393439392).

The spelling of 12163203271 in words is "twelve billion, one hundred sixty-three million, two hundred three thousand, two hundred seventy-one".