1213365322 has 32 divisors (see below), whose sum is σ = 2048312448. Its totient is φ = 534870336.

The previous prime is 1213365319. The next prime is 1213365323. The reversal of 1213365322 is 2235633121.

It is not an unprimeable number, because it can be changed into a prime (1213365323) 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, 604773 + ... + 606775.

It is an arithmetic number, because the mean of its divisors is an integer number (64009764).

Almost surely, 2^1213365322 is an apocalyptic number.

1213365322 is a deficient number, since it is larger than the sum of its proper divisors (834947126).

1213365322 is a wasteful number, since it uses less digits than its factorization.

1213365322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054.

The product of its digits is 6480, while the sum is 28.

The square root of 1213365322 is about 34833.3937766621. The cubic root of 1213365322 is about 1066.5892271689.

Adding to 1213365322 its reverse (2235633121), we get a palindrome (3448998443).

The spelling of 1213365322 in words is "one billion, two hundred thirteen million, three hundred sixty-five thousand, three hundred twenty-two".