13012003203 has 4 divisors (see below), whose sum is σ = 17349337608. Its totient is φ = 8674668800.

The previous prime is 13012003153. The next prime is 13012003219. The reversal of 13012003203 is 30230021031.

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-13012003203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13012023203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168667198 + ... + 2168667203.

It is an arithmetic number, because the mean of its divisors is an integer number (4337334402).

Almost surely, 2^13012003203 is an apocalyptic number.

13012003203 is a deficient number, since it is larger than the sum of its proper divisors (4337334405).

13012003203 is an equidigital number, since it uses as much as digits as its factorization.

13012003203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337334404.

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

Adding to 13012003203 its reverse (30230021031), we get a palindrome (43242024234).

The spelling of 13012003203 in words is "thirteen billion, twelve million, three thousand, two hundred three".