321222333132 has 36 divisors (see below), whose sum is σ = 831783037176. Its totient is φ = 104462546880.

The previous prime is 321222333121. The next prime is 321222333181. The reversal of 321222333132 is 231333222123.

321222333132 is a `hidden beast` number, since 321 + 2 + 2 + 2 + 3 + 331 + 3 + 2 = 666.

321222333132 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 321222333096 and 321222333105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108813678 + ... + 108816629.

It is an arithmetic number, because the mean of its divisors is an integer number (23105084366).

Almost surely, 2^321222333132 is an apocalyptic number.

It is an amenable number.

321222333132 is an abundant number, since it is smaller than the sum of its proper divisors (510560704044).

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

321222333132 is a wasteful number, since it uses less digits than its factorization.

321222333132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217630358 (or 217630353 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 321222333132 its reverse (231333222123), we get a palindrome (552555555255).

The spelling of 321222333132 in words is "three hundred twenty-one billion, two hundred twenty-two million, three hundred thirty-three thousand, one hundred thirty-two".