12242224421 has 16 divisors (see below), whose sum is σ = 14638635264. Its totient is φ = 10010145024.

The previous prime is 12242224417. The next prime is 12242224453. The reversal of 12242224421 is 12442224221.

It is a cyclic number.

It is not a de Polignac number, because 12242224421 - 2² = 12242224417 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 (12242214421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41876 + ... + 161981.

It is an arithmetic number, because the mean of its divisors is an integer number (914914704).

Almost surely, 2^12242224421 is an apocalyptic number.

It is an amenable number.

12242224421 is a deficient number, since it is larger than the sum of its proper divisors (2396410843).

12242224421 is a wasteful number, since it uses less digits than its factorization.

12242224421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204260.

The product of its digits is 4096, while the sum is 26.

Adding to 12242224421 its reverse (12442224221), we get a palindrome (24684448642).

The spelling of 12242224421 in words is "twelve billion, two hundred forty-two million, two hundred twenty-four thousand, four hundred twenty-one".