321224355052 has 6 divisors (see below), whose sum is σ = 562142621348. Its totient is φ = 160612177524.

The previous prime is 321224355017. The next prime is 321224355131. The reversal of 321224355052 is 250553422123.

It is a junction number, because it is equal to n+sod(n) for n = 321224354999 and 321224355017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40153044378 + ... + 40153044385.

Almost surely, 2^321224355052 is an apocalyptic number.

It is an amenable number.

321224355052 is a deficient number, since it is larger than the sum of its proper divisors (240918266296).

321224355052 is a wasteful number, since it uses less digits than its factorization.

321224355052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80306088767 (or 80306088765 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 321224355052 its reverse (250553422123), we get a palindrome (571777777175).

The spelling of 321224355052 in words is "three hundred twenty-one billion, two hundred twenty-four million, three hundred fifty-five thousand, fifty-two".