1323221213322 has 40 divisors (see below), whose sum is σ = 2978291707776. Its totient is φ = 439095816648.

The previous prime is 1323221213317. The next prime is 1323221213357. The reversal of 1323221213322 is 2233121223231.

1323221213322 is a `hidden beast` number, since 1 + 3 + 2 + 322 + 1 + 2 + 1 + 332 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18277848 + ... + 18350099.

Almost surely, 2^{1323221213322} is an apocalyptic number.

1323221213322 is an abundant number, since it is smaller than the sum of its proper divisors (1655070494454).

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

1323221213322 is a wasteful number, since it uses less digits than its factorization.

1323221213322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36628184 (or 36628175 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 1323221213322 its reverse (2233121223231), we get a palindrome (3556342436553).

Subtracting 1323221213322 from its reverse (2233121223231), we obtain a palindrome (909900009909).

The spelling of 1323221213322 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-one million, two hundred thirteen thousand, three hundred twenty-two".