12133020203 has 4 divisors (see below), whose sum is σ = 12551400240. Its totient is φ = 11714640168.

The previous prime is 12133020187. The next prime is 12133020217. The reversal of 12133020203 is 30202033121.

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 12133020203 - 2⁴ = 12133020187 is a prime.

It is a super-2 number, since 2×12133020203² (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 (12133020103) 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, 209189975 + ... + 209190032.

It is an arithmetic number, because the mean of its divisors is an integer number (3137850060).

Almost surely, 2^12133020203 is an apocalyptic number.

12133020203 is a deficient number, since it is larger than the sum of its proper divisors (418380037).

12133020203 is an equidigital number, since it uses as much as digits as its factorization.

12133020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418380036.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12133020203 its reverse (30202033121), we get a palindrome (42335053324).

The spelling of 12133020203 in words is "twelve billion, one hundred thirty-three million, twenty thousand, two hundred three".