13123211203 has 2 divisors, whose sum is σ = 13123211204. Its totient is φ = 13123211202.

The previous prime is 13123211159. The next prime is 13123211221. The reversal of 13123211203 is 30211232131.

13123211203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13123211203 - 2²⁵ = 13089656771 is a prime.

It is not a weakly prime, because it can be changed into another prime (13123211503) 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 as a sum of consecutive naturals, namely, 6561605601 + 6561605602.

It is an arithmetic number, because the mean of its divisors is an integer number (6561605602).

Almost surely, 2^13123211203 is an apocalyptic number.

13123211203 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123211203 is an equidigital number, since it uses as much as digits as its factorization.

13123211203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13123211203 its reverse (30211232131), we get a palindrome (43334443334).

The spelling of 13123211203 in words is "thirteen billion, one hundred twenty-three million, two hundred eleven thousand, two hundred three".