12648103203 has 4 divisors (see below), whose sum is σ = 16864137608. Its totient is φ = 8432068800.

The previous prime is 12648103147. The next prime is 12648103231. The reversal of 12648103203 is 30230184621.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-12648103203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12648103253) 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 3 ways as a sum of consecutive naturals, for example, 2108017198 + ... + 2108017203.

It is an arithmetic number, because the mean of its divisors is an integer number (4216034402).

Almost surely, 2^12648103203 is an apocalyptic number.

12648103203 is a deficient number, since it is larger than the sum of its proper divisors (4216034405).

12648103203 is an equidigital number, since it uses as much as digits as its factorization.

12648103203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216034404.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 12648103203 its reverse (30230184621), we get a palindrome (42878287824).

The spelling of 12648103203 in words is "twelve billion, six hundred forty-eight million, one hundred three thousand, two hundred three".