321244000212 has 96 divisors (see below), whose sum is σ = 806812473600. Its totient is φ = 99221455872.

The previous prime is 321244000199. The next prime is 321244000213. The reversal of 321244000212 is 212000442123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321244000213) 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, 2269864 + ... + 2407232.

It is an arithmetic number, because the mean of its divisors is an integer number (8404296600).

Almost surely, 2^321244000212 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 321244000212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403406236800).

321244000212 is an abundant number, since it is smaller than the sum of its proper divisors (485568473388).

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

321244000212 is a wasteful number, since it uses less digits than its factorization.

321244000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137665 (or 137663 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 321244000212 its reverse (212000442123), we get a palindrome (533244442335).

The spelling of 321244000212 in words is "three hundred twenty-one billion, two hundred forty-four million, two hundred twelve", and thus it is an aban number.