13221201211300 has 18 divisors (see below), whose sum is σ = 28690006628738. Its totient is φ = 5288480484480.

The previous prime is 13221201211277. The next prime is 13221201211331. The reversal of 13221201211300 is 311210212231.

It can be written as a sum of positive squares in 3 ways, for example, as 1633263552064 + 11587937659236 = 1277992^2 + 3404106^2 .

It is a super-2 number, since 2×13221201211300² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66106005957 + ... + 66106006156.

Almost surely, 2^{13221201211300} is an apocalyptic number.

13221201211300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13221201211300 is an abundant number, since it is smaller than the sum of its proper divisors (15468805417438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13221201211300 is a wasteful number, since it uses less digits than its factorization.

13221201211300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132212012127 (or 132212012120 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13221201211300 its reverse (311210212231), we get a palindrome (13532411423531).

The spelling of 13221201211300 in words is "thirteen trillion, two hundred twenty-one billion, two hundred one million, two hundred eleven thousand, three hundred".