321100320312112 has 240 divisors, whose sum is σ = 702709999681536. Its totient is φ = 141954678835200.

The previous prime is 321100320312103. The next prime is 321100320312229. The reversal of 321100320312112 is 211213023001123.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60619276248 + ... + 60619281544.

Almost surely, 2^{321100320312112} 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 321100320312112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351354999840768).

321100320312112 is an abundant number, since it is smaller than the sum of its proper divisors (381609679369424).

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

321100320312112 is a wasteful number, since it uses less digits than its factorization.

321100320312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8328 (or 8311 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 321100320312112 its reverse (211213023001123), we get a palindrome (532313343313235).

The spelling of 321100320312112 in words is "three hundred twenty-one trillion, one hundred billion, three hundred twenty million, three hundred twelve thousand, one hundred twelve".