1324244204221 has 16 divisors (see below), whose sum is σ = 1373891834160. Its totient is φ = 1274867596800.

The previous prime is 1324244204197. The next prime is 1324244204243. The reversal of 1324244204221 is 1224024424231.

It can be written as a sum of positive squares in 8 ways, for example, as 2063884900 + 1322180319321 = 45430^2 + 1149861^2 .

It is a cyclic number.

It is not a de Polignac number, because 1324244204221 - 2²⁵ = 1324210649789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324244214221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13833121 + ... + 13928521.

It is an arithmetic number, because the mean of its divisors is an integer number (85868239635).

Almost surely, 2^{1324244204221} is an apocalyptic number.

It is an amenable number.

1324244204221 is a deficient number, since it is larger than the sum of its proper divisors (49647629939).

1324244204221 is an equidigital number, since it uses as much as digits as its factorization.

1324244204221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96816.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 1324244204221 its reverse (1224024424231), we get a palindrome (2548268628452).

The spelling of 1324244204221 in words is "one trillion, three hundred twenty-four billion, two hundred forty-four million, two hundred four thousand, two hundred twenty-one".