12321202223 has 8 divisors (see below), whose sum is σ = 13445485056. Its totient is φ = 11197615000.

The previous prime is 12321202219. The next prime is 12321202237. The reversal of 12321202223 is 32220212321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12321202223 - 2² = 12321202219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12321202195 and 12321202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321202253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136511 + ... + 208032.

It is an arithmetic number, because the mean of its divisors is an integer number (1680685632).

Almost surely, 2^12321202223 is an apocalyptic number.

12321202223 is a deficient number, since it is larger than the sum of its proper divisors (1124282833).

12321202223 is a wasteful number, since it uses less digits than its factorization.

12321202223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347805.

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

Adding to 12321202223 its reverse (32220212321), we get a palindrome (44541414544).

The spelling of 12321202223 in words is "twelve billion, three hundred twenty-one million, two hundred two thousand, two hundred twenty-three".