12224334401 has 4 divisors (see below), whose sum is σ = 12236847492. Its totient is φ = 12211821312.

The previous prime is 12224334391. The next prime is 12224334403. The reversal of 12224334401 is 10443342221.

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 5001884176 + 7222450225 = 70724^2 + 84985^2 .

It is a cyclic number.

It is not a de Polignac number, because 12224334401 - 2⁶ = 12224334337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12224334403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6255080 + ... + 6257033.

It is an arithmetic number, because the mean of its divisors is an integer number (3059211873).

Almost surely, 2^12224334401 is an apocalyptic number.

It is an amenable number.

12224334401 is a deficient number, since it is larger than the sum of its proper divisors (12513091).

12224334401 is an equidigital number, since it uses as much as digits as its factorization.

12224334401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12513090.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12224334401 its reverse (10443342221), we get a palindrome (22667676622).

The spelling of 12224334401 in words is "twelve billion, two hundred twenty-four million, three hundred thirty-four thousand, four hundred one".