13221320210 has 32 divisors (see below), whose sum is σ = 27273957120. Its totient is φ = 4520388672.

The previous prime is 13221320191. The next prime is 13221320213. The reversal of 13221320210 is 1202312231.

It is a super-3 number, since 3×13221320210³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13221320213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237929 + ... + 288188.

It is an arithmetic number, because the mean of its divisors is an integer number (852311160).

Almost surely, 2^13221320210 is an apocalyptic number.

13221320210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221320210 is an abundant number, since it is smaller than the sum of its proper divisors (14052636910).

13221320210 is a wasteful number, since it uses less digits than its factorization.

13221320210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526490.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13221320210 its reverse (1202312231), we get a palindrome (14423632441).

The spelling of 13221320210 in words is "thirteen billion, two hundred twenty-one million, three hundred twenty thousand, two hundred ten".