13221202019 has 2 divisors, whose sum is σ = 13221202020. Its totient is φ = 13221202018.

The previous prime is 13221201989. The next prime is 13221202129. The reversal of 13221202019 is 91020212231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13221202019 - 2²⁴ = 13204424803 is a prime.

It is a super-2 number, since 2×13221202019² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 13221201985 and 13221202003.

It is not a weakly prime, because it can be changed into another prime (13221202619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610601009 + 6610601010.

It is an arithmetic number, because the mean of its divisors is an integer number (6610601010).

Almost surely, 2^13221202019 is an apocalyptic number.

13221202019 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221202019 is an equidigital number, since it uses as much as digits as its factorization.

13221202019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 13221202019 in words is "thirteen billion, two hundred twenty-one million, two hundred two thousand, nineteen".