12112504503 has 24 divisors (see below), whose sum is σ = 18685968000. Its totient is φ = 6954544080.

The previous prime is 12112504463. The next prime is 12112504549. The reversal of 12112504503 is 30540521121.

It is a happy number.

It is not a de Polignac number, because 12112504503 - 2²⁰ = 12111455927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112504003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 871203 + ... + 884996.

It is an arithmetic number, because the mean of its divisors is an integer number (778582000).

Almost surely, 2^12112504503 is an apocalyptic number.

12112504503 is a deficient number, since it is larger than the sum of its proper divisors (6573463497).

12112504503 is a wasteful number, since it uses less digits than its factorization.

12112504503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756243 (or 1756232 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

It can be divided in two parts, 12112 and 504503, that added together give a palindrome (516615).

The spelling of 12112504503 in words is "twelve billion, one hundred twelve million, five hundred four thousand, five hundred three".