12533225203 has 4 divisors (see below), whose sum is σ = 12541936320. Its totient is φ = 12524514088.

The previous prime is 12533225183. The next prime is 12533225207. The reversal of 12533225203 is 30252233521.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12533225203 is a prime.

It is a super-2 number, since 2×12533225203² (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 (12533225207) 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, 4353400 + ... + 4356277.

It is an arithmetic number, because the mean of its divisors is an integer number (3135484080).

Almost surely, 2^12533225203 is an apocalyptic number.

12533225203 is a deficient number, since it is larger than the sum of its proper divisors (8711117).

12533225203 is an equidigital number, since it uses as much as digits as its factorization.

12533225203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8711116.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 12533225203 its reverse (30252233521), we get a palindrome (42785458724).

The spelling of 12533225203 in words is "twelve billion, five hundred thirty-three million, two hundred twenty-five thousand, two hundred three".