13221332201306 has 8 divisors (see below), whose sum is σ = 20367998256180. Its totient is φ = 6431999449248.

The previous prime is 13221332201303. The next prime is 13221332201323. The reversal of 13221332201306 is 60310223312231.

It is a happy number.

13221332201306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9809956447225 + 3411375754081 = 3132085^2 + 1846991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13221332201303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89333325611 + ... + 89333325758.

Almost surely, 2^{13221332201306} is an apocalyptic number.

13221332201306 is a deficient number, since it is larger than the sum of its proper divisors (7146666054874).

13221332201306 is a wasteful number, since it uses less digits than its factorization.

13221332201306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178666651408.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 13221332201306 its reverse (60310223312231), we get a palindrome (73531555513537).

The spelling of 13221332201306 in words is "thirteen trillion, two hundred twenty-one billion, three hundred thirty-two million, two hundred one thousand, three hundred six".