13021213201 has 2 divisors, whose sum is σ = 13021213202. Its totient is φ = 13021213200.

The previous prime is 13021213141. The next prime is 13021213207. The reversal of 13021213201 is 10231212031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10444635601 + 2576577600 = 102199^2 + 50760^2 .

It is a cyclic number.

It is not a de Polignac number, because 13021213201 - 2²³ = 13012824593 is a prime.

It is not a weakly prime, because it can be changed into another prime (13021213207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510606600 + 6510606601.

It is an arithmetic number, because the mean of its divisors is an integer number (6510606601).

Almost surely, 2^13021213201 is an apocalyptic number.

It is an amenable number.

13021213201 is a deficient number, since it is larger than the sum of its proper divisors (1).

13021213201 is an equidigital number, since it uses as much as digits as its factorization.

13021213201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13021213201 its reverse (10231212031), we get a palindrome (23252425232).

The spelling of 13021213201 in words is "thirteen billion, twenty-one million, two hundred thirteen thousand, two hundred one".