12223133243 has 4 divisors (see below), whose sum is σ = 12247629000. Its totient is φ = 12198637488.

The previous prime is 12223133231. The next prime is 12223133281. The reversal of 12223133243 is 34233132221.

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 12223133243 - 2³⁰ = 11149391419 is a prime.

It is a super-2 number, since 2×12223133243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223133843) 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, 12247130 + ... + 12248127.

It is an arithmetic number, because the mean of its divisors is an integer number (3061907250).

Almost surely, 2^12223133243 is an apocalyptic number.

12223133243 is a deficient number, since it is larger than the sum of its proper divisors (24495757).

12223133243 is an equidigital number, since it uses as much as digits as its factorization.

12223133243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24495756.

The product of its digits is 5184, while the sum is 26.

Adding to 12223133243 its reverse (34233132221), we get a palindrome (46456265464).

The spelling of 12223133243 in words is "twelve billion, two hundred twenty-three million, one hundred thirty-three thousand, two hundred forty-three".