13021200503 has 2 divisors, whose sum is σ = 13021200504. Its totient is φ = 13021200502.

The previous prime is 13021200481. The next prime is 13021200529. The reversal of 13021200503 is 30500212031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13021200503 - 2¹² = 13021196407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13021200583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510600251 + 6510600252.

It is an arithmetic number, because the mean of its divisors is an integer number (6510600252).

Almost surely, 2^13021200503 is an apocalyptic number.

13021200503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13021200503 is an equidigital number, since it uses as much as digits as its factorization.

13021200503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 13021200503 its reverse (30500212031), we get a palindrome (43521412534).

The spelling of 13021200503 in words is "thirteen billion, twenty-one million, two hundred thousand, five hundred three".