1324221454432 has 24 divisors (see below), whose sum is σ = 2620161810000. Its totient is φ = 658783534464.

The previous prime is 1324221454427. The next prime is 1324221454453. The reversal of 1324221454432 is 2344541224231.

It is a junction number, because it is equal to n+sod(n) for n = 1324221454391 and 1324221454400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103968307 + ... + 103981042.

It is an arithmetic number, because the mean of its divisors is an integer number (109173408750).

Almost surely, 2^{1324221454432} is an apocalyptic number.

It is an amenable number.

1324221454432 is a deficient number, since it is larger than the sum of its proper divisors (1295940355568).

1324221454432 is a wasteful number, since it uses less digits than its factorization.

1324221454432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207949558 (or 207949550 counting only the distinct ones).

The product of its digits is 184320, while the sum is 37.

Adding to 1324221454432 its reverse (2344541224231), we get a palindrome (3668762678663).

The spelling of 1324221454432 in words is "one trillion, three hundred twenty-four billion, two hundred twenty-one million, four hundred fifty-four thousand, four hundred thirty-two".