12443130203 has 32 divisors (see below), whose sum is σ = 15206839296. Its totient is φ = 9949661568.

The previous prime is 12443130163. The next prime is 12443130223. The reversal of 12443130203 is 30203134421.

It is not a de Polignac number, because 12443130203 - 2³² = 8148162907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12443130223) 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 31 ways as a sum of consecutive naturals, for example, 8563025 + ... + 8564477.

It is an arithmetic number, because the mean of its divisors is an integer number (475213728).

Almost surely, 2^12443130203 is an apocalyptic number.

12443130203 is a deficient number, since it is larger than the sum of its proper divisors (2763709093).

12443130203 is a wasteful number, since it uses less digits than its factorization.

12443130203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12443130203 its reverse (30203134421), we get a palindrome (42646264624).

The spelling of 12443130203 in words is "twelve billion, four hundred forty-three million, one hundred thirty thousand, two hundred three".