13012203203 has 4 divisors (see below), whose sum is σ = 13232749080. Its totient is φ = 12791657328.

The previous prime is 13012203173. The next prime is 13012203277. The reversal of 13012203203 is 30230221031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30230221031 = 71 ⋅425777761.

It is a cyclic number.

It is not a de Polignac number, because 13012203203 - 2²⁰ = 13011154627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13012203293) 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, 110272850 + ... + 110272967.

It is an arithmetic number, because the mean of its divisors is an integer number (3308187270).

Almost surely, 2^13012203203 is an apocalyptic number.

13012203203 is a deficient number, since it is larger than the sum of its proper divisors (220545877).

13012203203 is an equidigital number, since it uses as much as digits as its factorization.

13012203203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220545876.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13012203203 its reverse (30230221031), we get a palindrome (43242424234).

The spelling of 13012203203 in words is "thirteen billion, twelve million, two hundred three thousand, two hundred three".