12651803003 has 4 divisors (see below), whose sum is σ = 14459203440. Its totient is φ = 10844402568.

The previous prime is 12651802981. The next prime is 12651803009. The reversal of 12651803003 is 30030815621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12651803003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12651803009) 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, 903700208 + ... + 903700221.

It is an arithmetic number, because the mean of its divisors is an integer number (3614800860).

Almost surely, 2^12651803003 is an apocalyptic number.

12651803003 is a deficient number, since it is larger than the sum of its proper divisors (1807400437).

12651803003 is an equidigital number, since it uses as much as digits as its factorization.

12651803003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807400436.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 12651803003 in words is "twelve billion, six hundred fifty-one million, eight hundred three thousand, three".