321122223232 has 32 divisors (see below), whose sum is σ = 639764334720. Its totient is φ = 160553919744.

The previous prime is 321122223221. The next prime is 321122223271. The reversal of 321122223232 is 232322221123.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 321122223197 and 321122223206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3892233 + ... + 3973879.

It is an arithmetic number, because the mean of its divisors is an integer number (19992635460).

Almost surely, 2^321122223232 is an apocalyptic number.

321122223232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321122223232 is a deficient number, since it is larger than the sum of its proper divisors (318642111488).

321122223232 is an equidigital number, since it uses as much as digits as its factorization.

321122223232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112388 (or 112376 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

Adding to 321122223232 its reverse (232322221123), we get a palindrome (553444444355).

The spelling of 321122223232 in words is "three hundred twenty-one billion, one hundred twenty-two million, two hundred twenty-three thousand, two hundred thirty-two".