12112321003 has 2 divisors, whose sum is σ = 12112321004. Its totient is φ = 12112321002.

The previous prime is 12112320977. The next prime is 12112321051. The reversal of 12112321003 is 30012321121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12112321003 - 2⁵ = 12112320971 is a prime.

It is not a weakly prime, because it can be changed into another prime (12112321103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056160501 + 6056160502.

It is an arithmetic number, because the mean of its divisors is an integer number (6056160502).

Almost surely, 2^12112321003 is an apocalyptic number.

12112321003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112321003 is an equidigital number, since it uses as much as digits as its factorization.

12112321003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12112321003 its reverse (30012321121), we get a palindrome (42124642124).

The spelling of 12112321003 in words is "twelve billion, one hundred twelve million, three hundred twenty-one thousand, three".