12210443223 has 16 divisors (see below), whose sum is σ = 18240663936. Its totient is φ = 7200260640.

The previous prime is 12210443221. The next prime is 12210443237. The reversal of 12210443223 is 32234401221.

It is a happy number.

It is not a de Polignac number, because 12210443223 - 2¹ = 12210443221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12210443193 and 12210443202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210443221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4998961 + ... + 5001402.

It is an arithmetic number, because the mean of its divisors is an integer number (1140041496).

Almost surely, 2^12210443223 is an apocalyptic number.

12210443223 is a deficient number, since it is larger than the sum of its proper divisors (6030220713).

12210443223 is a wasteful number, since it uses less digits than its factorization.

12210443223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000414.

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

Adding to 12210443223 its reverse (32234401221), we get a palindrome (44444844444).

The spelling of 12210443223 in words is "twelve billion, two hundred ten million, four hundred forty-three thousand, two hundred twenty-three".