1323222021222 has 32 divisors (see below), whose sum is σ = 2728010783232. Its totient is φ = 427654963104.

The previous prime is 1323222021217. The next prime is 1323222021223. The reversal of 1323222021222 is 2221202223231.

It is a junction number, because it is equal to n+sod(n) for n = 1323222021192 and 1323222021201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323222021223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21896353 + ... + 21956700.

It is an arithmetic number, because the mean of its divisors is an integer number (85250336976).

Almost surely, 2^{1323222021222} is an apocalyptic number.

1323222021222 is an abundant number, since it is smaller than the sum of its proper divisors (1404788762010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323222021222 is a wasteful number, since it uses less digits than its factorization.

1323222021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43853212.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1323222021222 its reverse (2221202223231), we get a palindrome (3544424244453).

The spelling of 1323222021222 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-two million, twenty-one thousand, two hundred twenty-two".