12243222234222 has 64 divisors (see below), whose sum is σ = 28663562188800. Its totient is φ = 3414034804320.

The previous prime is 12243222234193. The next prime is 12243222234223. The reversal of 12243222234222 is 22243222234221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243222234223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17428104 + ... + 18116987.

It is an arithmetic number, because the mean of its divisors is an integer number (447868159200).

Almost surely, 2^{12243222234222} is an apocalyptic number.

12243222234222 is an abundant number, since it is smaller than the sum of its proper divisors (16420339954578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12243222234222 is a wasteful number, since it uses less digits than its factorization.

12243222234222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35545301.

The product of its digits is 73728, while the sum is 33.

Adding to 12243222234222 its reverse (22243222234221), we get a palindrome (34486444468443).

Subtracting 12243222234222 from its reverse (22243222234221), we obtain a palindrome (9999999999999).

The spelling of 12243222234222 in words is "twelve trillion, two hundred forty-three billion, two hundred twenty-two million, two hundred thirty-four thousand, two hundred twenty-two".