13232242021 has 2 divisors, whose sum is σ = 13232242022. Its totient is φ = 13232242020.

The previous prime is 13232241989. The next prime is 13232242039. The reversal of 13232242021 is 12024223231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13222700100 + 9541921 = 114990^2 + 3089^2 .

It is a cyclic number.

It is not a de Polignac number, because 13232242021 - 2⁵ = 13232241989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13232241983 and 13232242001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13232242081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6616121010 + 6616121011.

It is an arithmetic number, because the mean of its divisors is an integer number (6616121011).

Almost surely, 2^13232242021 is an apocalyptic number.

It is an amenable number.

13232242021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13232242021 is an equidigital number, since it uses as much as digits as its factorization.

13232242021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13232242021 its reverse (12024223231), we get a palindrome (25256465252).

The spelling of 13232242021 in words is "thirteen billion, two hundred thirty-two million, two hundred forty-two thousand, twenty-one".