12224547879 has 4 divisors (see below), whose sum is σ = 16299397176. Its totient is φ = 8149698584.

The previous prime is 12224547869. The next prime is 12224547889. The reversal of 12224547879 is 97874542221.

It is a happy number.

12224547879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (12224547869) and next prime (12224547889).

It is a cyclic number.

It is not a de Polignac number, because 12224547879 - 2⁹ = 12224547367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224547869) 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 3 ways as a sum of consecutive naturals, for example, 2037424644 + ... + 2037424649.

It is an arithmetic number, because the mean of its divisors is an integer number (4074849294).

Almost surely, 2^12224547879 is an apocalyptic number.

12224547879 is a deficient number, since it is larger than the sum of its proper divisors (4074849297).

12224547879 is an equidigital number, since it uses as much as digits as its factorization.

12224547879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074849296.

The product of its digits is 2257920, while the sum is 51.

The spelling of 12224547879 in words is "twelve billion, two hundred twenty-four million, five hundred forty-seven thousand, eight hundred seventy-nine".