13221323221210 has 32 divisors (see below), whose sum is σ = 25668885231360. Its totient is φ = 4874127213888.

The previous prime is 13221323221097. The next prime is 13221323221241. The reversal of 13221323221210 is 1212232312231.

It is a super-3 number, since 3×13221323221210³ (a number of 40 digits) contains 333 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 15 ways as a sum of consecutive naturals, for example, 79000770 + ... + 79167949.

It is an arithmetic number, because the mean of its divisors is an integer number (802152663480).

Almost surely, 2^{13221323221210} is an apocalyptic number.

13221323221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221323221210 is a deficient number, since it is larger than the sum of its proper divisors (12447562010150).

13221323221210 is a wasteful number, since it uses less digits than its factorization.

13221323221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158169382.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13221323221210 its reverse (1212232312231), we get a palindrome (14433555533441).

The spelling of 13221323221210 in words is "thirteen trillion, two hundred twenty-one billion, three hundred twenty-three million, two hundred twenty-one thousand, two hundred ten".