321323212112232 has 128 divisors (see below), whose sum is σ = 889560059189760. Its totient is φ = 95901805950720.

The previous prime is 321323212112191. The next prime is 321323212112263. The reversal of 321323212112232 is 232211212323123.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 321323212112232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107716603 + ... + 110659445.

It is an arithmetic number, because the mean of its divisors is an integer number (6949687962420).

Almost surely, 2^{321323212112232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321323212112232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444780029594880).

321323212112232 is an abundant number, since it is smaller than the sum of its proper divisors (568236847077528).

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

321323212112232 is a wasteful number, since it uses less digits than its factorization.

321323212112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949103 (or 2949099 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

Adding to 321323212112232 its reverse (232211212323123), we get a palindrome (553534424435355).

The spelling of 321323212112232 in words is "three hundred twenty-one trillion, three hundred twenty-three billion, two hundred twelve million, one hundred twelve thousand, two hundred thirty-two".