12244232225 has 24 divisors (see below), whose sum is σ = 16207087680. Its totient is φ = 9149112000.

The previous prime is 12244232191. The next prime is 12244232243. The reversal of 12244232225 is 52223244221.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12244232225 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147806 + ... + 215255.

It is an arithmetic number, because the mean of its divisors is an integer number (675295320).

Almost surely, 2^12244232225 is an apocalyptic number.

It is an amenable number.

12244232225 is a deficient number, since it is larger than the sum of its proper divisors (3962855455).

12244232225 is a wasteful number, since it uses less digits than its factorization.

12244232225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363161 (or 363156 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

Adding to 12244232225 its reverse (52223244221), we get a palindrome (64467476446).

The spelling of 12244232225 in words is "twelve billion, two hundred forty-four million, two hundred thirty-two thousand, two hundred twenty-five".