12228887271 has 8 divisors (see below), whose sum is σ = 16307113600. Its totient is φ = 8151626232.

The previous prime is 12228887267. The next prime is 12228887299. The reversal of 12228887271 is 17278882221.

12228887271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12228887271 - 2² = 12228887267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12228887271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12228887071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211225 + ... + 262818.

It is an arithmetic number, because the mean of its divisors is an integer number (2038389200).

Almost surely, 2^12228887271 is an apocalyptic number.

12228887271 is a deficient number, since it is larger than the sum of its proper divisors (4078226329).

12228887271 is an equidigital number, since it uses as much as digits as its factorization.

12228887271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482645.

The product of its digits is 401408, while the sum is 48.

The spelling of 12228887271 in words is "twelve billion, two hundred twenty-eight million, eight hundred eighty-seven thousand, two hundred seventy-one".