12212230223 has 4 divisors (see below), whose sum is σ = 12633341640. Its totient is φ = 11791118808.

The previous prime is 12212230189. The next prime is 12212230229. The reversal of 12212230223 is 32203221221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12212230223 - 2⁶ = 12212230159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12212230195 and 12212230204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212230229) 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, 210555665 + ... + 210555722.

It is an arithmetic number, because the mean of its divisors is an integer number (3158335410).

Almost surely, 2^12212230223 is an apocalyptic number.

12212230223 is a deficient number, since it is larger than the sum of its proper divisors (421111417).

12212230223 is an equidigital number, since it uses as much as digits as its factorization.

12212230223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421111416.

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

Adding to 12212230223 its reverse (32203221221), we get a palindrome (44415451444).

The spelling of 12212230223 in words is "twelve billion, two hundred twelve million, two hundred thirty thousand, two hundred twenty-three".