1213200322 has 8 divisors (see below), whose sum is σ = 1827747900. Its totient is φ = 603951024.

The previous prime is 1213200319. The next prime is 1213200367. The reversal of 1213200322 is 2230023121.

It can be written as a sum of positive squares in 2 ways, for example, as 1207493001 + 5707321 = 34749^2 + 2389^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1213200296 and 1213200305.

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 3 ways as a sum of consecutive naturals, for example, 1323997 + ... + 1324912.

Almost surely, 2^1213200322 is an apocalyptic number.

1213200322 is a deficient number, since it is larger than the sum of its proper divisors (614547578).

1213200322 is a wasteful number, since it uses less digits than its factorization.

1213200322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649140.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1213200322 is about 34831.0252791961. The cubic root of 1213200322 is about 1066.5408781138.

Adding to 1213200322 its reverse (2230023121), we get a palindrome (3443223443).

The spelling of 1213200322 in words is "one billion, two hundred thirteen million, two hundred thousand, three hundred twenty-two".