12204434203 has 12 divisors (see below), whose sum is σ = 13439454120. Its totient is φ = 11074679616.

The previous prime is 12204434197. The next prime is 12204434219. The reversal of 12204434203 is 30243440221.

It is a happy number.

It is not a de Polignac number, because 12204434203 - 2⁵ = 12204434171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12204434233) 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 11 ways as a sum of consecutive naturals, for example, 602026 + ... + 621967.

It is an arithmetic number, because the mean of its divisors is an integer number (1119954510).

Almost surely, 2^12204434203 is an apocalyptic number.

12204434203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12204434203 is a deficient number, since it is larger than the sum of its proper divisors (1235019917).

12204434203 is a wasteful number, since it uses less digits than its factorization.

12204434203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224078 (or 1224065 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12204434203 its reverse (30243440221), we get a palindrome (42447874424).

The spelling of 12204434203 in words is "twelve billion, two hundred four million, four hundred thirty-four thousand, two hundred three".