12312110003 has 4 divisors (see below), whose sum is σ = 12312332760. Its totient is φ = 12311887248.

The previous prime is 12312109963. The next prime is 12312110021. The reversal of 12312110003 is 30001121321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30001121321 = 61 ⋅491821661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12312110003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12312110003.

It is not an unprimeable number, because it can be changed into a prime (12312110023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41228 + ... + 162246.

It is an arithmetic number, because the mean of its divisors is an integer number (3078083190).

Almost surely, 2^12312110003 is an apocalyptic number.

12312110003 is a deficient number, since it is larger than the sum of its proper divisors (222757).

12312110003 is a wasteful number, since it uses less digits than its factorization.

12312110003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222756.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12312110003 its reverse (30001121321), we get a palindrome (42313231324).

The spelling of 12312110003 in words is "twelve billion, three hundred twelve million, one hundred ten thousand, three".