13322021332312 has 64 divisors (see below), whose sum is σ = 31581012810240. Its totient is φ = 5117293708800.

The previous prime is 13322021332183. The next prime is 13322021332393. The reversal of 13322021332312 is 21323312022331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152256673 + ... + 152344144.

It is an arithmetic number, because the mean of its divisors is an integer number (493453325160).

Almost surely, 2^{13322021332312} is an apocalyptic number.

It is an amenable number.

13322021332312 is an abundant number, since it is smaller than the sum of its proper divisors (18258991477928).

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

13322021332312 is a wasteful number, since it uses less digits than its factorization.

13322021332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304600912 (or 304600908 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13322021332312 its reverse (21323312022331), we get a palindrome (34645333354643).

The spelling of 13322021332312 in words is "thirteen trillion, three hundred twenty-two billion, twenty-one million, three hundred thirty-two thousand, three hundred twelve".