12203240213 has 4 divisors (see below), whose sum is σ = 12204591648. Its totient is φ = 12201888780.

The previous prime is 12203240207. The next prime is 12203240267. The reversal of 12203240213 is 31204230221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31204230221 = 9091 ⋅3432431.

It is a cyclic number.

It is not a de Polignac number, because 12203240213 - 2⁶ = 12203240149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203240113) 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, 662081 + ... + 680262.

It is an arithmetic number, because the mean of its divisors is an integer number (3051147912).

Almost surely, 2^12203240213 is an apocalyptic number.

It is an amenable number.

12203240213 is a deficient number, since it is larger than the sum of its proper divisors (1351435).

12203240213 is an equidigital number, since it uses as much as digits as its factorization.

12203240213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351434.

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

Adding to 12203240213 its reverse (31204230221), we get a palindrome (43407470434).

The spelling of 12203240213 in words is "twelve billion, two hundred three million, two hundred forty thousand, two hundred thirteen".