12210322223 has 4 divisors (see below), whose sum is σ = 13320351528. Its totient is φ = 11100292920.

The previous prime is 12210322193. The next prime is 12210322291. The reversal of 12210322223 is 32222301221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32222301221 = 11 ⋅2929300111.

It is a cyclic number.

It is not a de Polignac number, because 12210322223 - 2⁸ = 12210321967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12210322195 and 12210322204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210322123) 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, 555014636 + ... + 555014657.

It is an arithmetic number, because the mean of its divisors is an integer number (3330087882).

Almost surely, 2^12210322223 is an apocalyptic number.

12210322223 is a deficient number, since it is larger than the sum of its proper divisors (1110029305).

12210322223 is a wasteful number, since it uses less digits than its factorization.

12210322223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110029304.

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

Adding to 12210322223 its reverse (32222301221), we get a palindrome (44432623444).

It can be divided in two parts, 12210 and 322223, that added together give a palindrome (334433).

The spelling of 12210322223 in words is "twelve billion, two hundred ten million, three hundred twenty-two thousand, two hundred twenty-three".