13232122021 has 2 divisors, whose sum is σ = 13232122022. Its totient is φ = 13232122020.

The previous prime is 13232121979. The next prime is 13232122039. The reversal of 13232122021 is 12022123231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7270120225 + 5962001796 = 85265^2 + 77214^2 .

It is a cyclic number.

It is not a de Polignac number, because 13232122021 - 2⁷ = 13232121893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13232122021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13232122061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6616061010 + 6616061011.

It is an arithmetic number, because the mean of its divisors is an integer number (6616061011).

Almost surely, 2^13232122021 is an apocalyptic number.

It is an amenable number.

13232122021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13232122021 is an equidigital number, since it uses as much as digits as its factorization.

13232122021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13232122021 its reverse (12022123231), we get a palindrome (25254245252).

The spelling of 13232122021 in words is "thirteen billion, two hundred thirty-two million, one hundred twenty-two thousand, twenty-one".