12243412213 has 4 divisors (see below), whose sum is σ = 12245607648. Its totient is φ = 12241216780.

The previous prime is 12243412193. The next prime is 12243412219. The reversal of 12243412213 is 31221434221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12243412213 - 2³³ = 3653477621 is a prime.

It is a super-2 number, since 2×12243412213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243412219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089331 + ... + 1100512.

It is an arithmetic number, because the mean of its divisors is an integer number (3061401912).

Almost surely, 2^12243412213 is an apocalyptic number.

It is an amenable number.

12243412213 is a deficient number, since it is larger than the sum of its proper divisors (2195435).

12243412213 is an equidigital number, since it uses as much as digits as its factorization.

12243412213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195434.

The product of its digits is 2304, while the sum is 25.

Adding to 12243412213 its reverse (31221434221), we get a palindrome (43464846434).

The spelling of 12243412213 in words is "twelve billion, two hundred forty-three million, four hundred twelve thousand, two hundred thirteen".