12225204641 has 12 divisors (see below), whose sum is σ = 13252095792. Its totient is φ = 11272740336.

The previous prime is 12225204623. The next prime is 12225204683. The reversal of 12225204641 is 14640252221.

12225204641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12225204641 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12225204841) 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 11 ways as a sum of consecutive naturals, for example, 121850 + ... + 198236.

It is an arithmetic number, because the mean of its divisors is an integer number (1104341316).

Almost surely, 2^12225204641 is an apocalyptic number.

It is an amenable number.

12225204641 is a deficient number, since it is larger than the sum of its proper divisors (1026891151).

12225204641 is an equidigital number, since it uses as much as digits as its factorization.

12225204641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77360 (or 77347 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 12225204641 its reverse (14640252221), we get a palindrome (26865456862).

The spelling of 12225204641 in words is "twelve billion, two hundred twenty-five million, two hundred four thousand, six hundred forty-one".