13120203003 has 4 divisors (see below), whose sum is σ = 17493604008. Its totient is φ = 8746802000.

The previous prime is 13120202987. The next prime is 13120203013. The reversal of 13120203003 is 30030202131.

13120203003 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 13120203003 - 2⁴ = 13120202987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13120203013) 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, 2186700498 + ... + 2186700503.

It is an arithmetic number, because the mean of its divisors is an integer number (4373401002).

Almost surely, 2^13120203003 is an apocalyptic number.

13120203003 is a deficient number, since it is larger than the sum of its proper divisors (4373401005).

13120203003 is an equidigital number, since it uses as much as digits as its factorization.

13120203003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373401004.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13120203003 its reverse (30030202131), we get a palindrome (43150405134).

The spelling of 13120203003 in words is "thirteen billion, one hundred twenty million, two hundred three thousand, three".