1323221210 has 8 divisors (see below), whose sum is σ = 2381798196. Its totient is φ = 529288480.

The previous prime is 1323221209. The next prime is 1323221219. The reversal of 1323221210 is 121223231.

1323221210 is digitally balanced in base 6, 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 1164788641 + 158432569 = 34129^2 + 12587^2 .

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 (1323221219) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 66161051 + ... + 66161070.

Almost surely, 2^1323221210 is an apocalyptic number.

1323221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323221210 is a deficient number, since it is larger than the sum of its proper divisors (1058576986).

1323221210 is a wasteful number, since it uses less digits than its factorization.

1323221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132322128.

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

The square root of 1323221210 is about 36376.1076807291. The cubic root of 1323221210 is about 1097.8528944056.

Adding to 1323221210 its reverse (121223231), we get a palindrome (1444444441).

The spelling of 1323221210 in words is "one billion, three hundred twenty-three million, two hundred twenty-one thousand, two hundred ten".