12223012344 has 16 divisors (see below), whose sum is σ = 30557530920. Its totient is φ = 4074337440.

The previous prime is 12223012331. The next prime is 12223012349. The reversal of 12223012344 is 44321032221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 509292181 = 12223012344 / (1 + 2 + 2 + 2 + 3 + 0 + 1 + 2 + 3 + 4 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223012349) 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, 254646067 + ... + 254646114.

Almost surely, 2^12223012344 is an apocalyptic number.

It is an amenable number.

12223012344 is an abundant number, since it is smaller than the sum of its proper divisors (18334518576).

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

12223012344 is a wasteful number, since it uses less digits than its factorization.

12223012344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509292190 (or 509292186 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12223012344 its reverse (44321032221), we get a palindrome (56544044565).

The spelling of 12223012344 in words is "twelve billion, two hundred twenty-three million, twelve thousand, three hundred forty-four".