12230220203 has 4 divisors (see below), whose sum is σ = 12230581200. Its totient is φ = 12229859208.

The previous prime is 12230220179. The next prime is 12230220217. The reversal of 12230220203 is 30202203221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30202203221 = 1867 ⋅16176863.

It is a cyclic number.

It is not a de Polignac number, because 12230220203 - 2⁶ = 12230220139 is a prime.

It is a super-2 number, since 2×12230220203² (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 (12230220253) 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, 123728 + ... + 199421.

It is an arithmetic number, because the mean of its divisors is an integer number (3057645300).

Almost surely, 2^12230220203 is an apocalyptic number.

12230220203 is a deficient number, since it is larger than the sum of its proper divisors (360997).

12230220203 is an equidigital number, since it uses as much as digits as its factorization.

12230220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360996.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 12230220203 its reverse (30202203221), we get a palindrome (42432423424).

The spelling of 12230220203 in words is "twelve billion, two hundred thirty million, two hundred twenty thousand, two hundred three".