12224412797 has 4 divisors (see below), whose sum is σ = 12226852476. Its totient is φ = 12221973120.

The previous prime is 12224412787. The next prime is 12224412799. The reversal of 12224412797 is 79721442221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9167871001 + 3056541796 = 95749^2 + 55286^2 .

It is a cyclic number.

It is not a de Polignac number, because 12224412797 - 2¹⁴ = 12224396413 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 (12224412799) 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, 1212308 + ... + 1222349.

It is an arithmetic number, because the mean of its divisors is an integer number (3056713119).

Almost surely, 2^12224412797 is an apocalyptic number.

It is an amenable number.

12224412797 is a deficient number, since it is larger than the sum of its proper divisors (2439679).

12224412797 is an equidigital number, since it uses as much as digits as its factorization.

12224412797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439678.

The product of its digits is 112896, while the sum is 41.

The spelling of 12224412797 in words is "twelve billion, two hundred twenty-four million, four hundred twelve thousand, seven hundred ninety-seven".