12644101003 has 2 divisors, whose sum is σ = 12644101004. Its totient is φ = 12644101002.

The previous prime is 12644100991. The next prime is 12644101049. The reversal of 12644101003 is 30010144621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12644101003 - 2⁵ = 12644100971 is a prime.

It is not a weakly prime, because it can be changed into another prime (12644101073) 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 as a sum of consecutive naturals, namely, 6322050501 + 6322050502.

It is an arithmetic number, because the mean of its divisors is an integer number (6322050502).

Almost surely, 2^12644101003 is an apocalyptic number.

12644101003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12644101003 is an equidigital number, since it uses as much as digits as its factorization.

12644101003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12644101003 its reverse (30010144621), we get a palindrome (42654245624).

The spelling of 12644101003 in words is "twelve billion, six hundred forty-four million, one hundred one thousand, three".