12917099803 has 4 divisors (see below), whose sum is σ = 12917631160. Its totient is φ = 12916568448.

The previous prime is 12917099753. The next prime is 12917099831. The reversal of 12917099803 is 30899071921.

12917099803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12917099803 - 2²⁵ = 12883545371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12917099843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227373 + ... + 278446.

It is an arithmetic number, because the mean of its divisors is an integer number (3229407790).

Almost surely, 2^12917099803 is an apocalyptic number.

12917099803 is a deficient number, since it is larger than the sum of its proper divisors (531357).

12917099803 is an equidigital number, since it uses as much as digits as its factorization.

12917099803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531356.

The product of its (nonzero) digits is 244944, while the sum is 49.

The spelling of 12917099803 in words is "twelve billion, nine hundred seventeen million, ninety-nine thousand, eight hundred three".