321230233132212 has 96 divisors (see below), whose sum is σ = 777854273624064. Its totient is φ = 103106924870400.

The previous prime is 321230233132187. The next prime is 321230233132213. The reversal of 321230233132212 is 212231332032123.

It is a self number, because there is not a number n which added to its sum of digits gives 321230233132212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321230233132213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3008343 + ... + 25524705.

It is an arithmetic number, because the mean of its divisors is an integer number (8102648683584).

Almost surely, 2^{321230233132212} is an apocalyptic number.

It is an amenable number.

321230233132212 is an abundant number, since it is smaller than the sum of its proper divisors (456624040491852).

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

321230233132212 is a wasteful number, since it uses less digits than its factorization.

321230233132212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22516789 (or 22516787 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 321230233132212 its reverse (212231332032123), we get a palindrome (533461565164335).

The spelling of 321230233132212 in words is "three hundred twenty-one trillion, two hundred thirty billion, two hundred thirty-three million, one hundred thirty-two thousand, two hundred twelve".