12223223012 has 144 divisors (see below), whose sum is σ = 29109405696. Its totient is φ = 4369939200.

The previous prime is 12223222987. The next prime is 12223223059. The reversal of 12223223012 is 21032232221.

It is a happy number.

12223223012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 8411678 + ... + 8413130.

Almost surely, 2^12223223012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12223223012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14554702848).

12223223012 is an abundant number, since it is smaller than the sum of its proper divisors (16886182684).

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

12223223012 is a wasteful number, since it uses less digits than its factorization.

12223223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690 (or 1677 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12223223012 its reverse (21032232221), we get a palindrome (33255455233).

The spelling of 12223223012 in words is "twelve billion, two hundred twenty-three million, two hundred twenty-three thousand, twelve".