321230011301200 has 120 divisors (see below), whose sum is σ = 775292335724088. Its totient is φ = 127903399280640.

The previous prime is 321230011301183. The next prime is 321230011301231. The reversal of 321230011301200 is 2103110032123.

It can be written as a sum of positive squares in 12 ways, for example, as 208402022610496 + 112827988690704 = 14436136^2 + 10622052^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321693894 + ... + 322690906.

Almost surely, 2^{321230011301200} 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 321230011301200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387646167862044).

321230011301200 is an abundant number, since it is smaller than the sum of its proper divisors (454062324422888).

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

321230011301200 is a wasteful number, since it uses less digits than its factorization.

321230011301200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000721 (or 1000710 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 321230011301200 its reverse (2103110032123), we get a palindrome (323333121333323).

The spelling of 321230011301200 in words is "three hundred twenty-one trillion, two hundred thirty billion, eleven million, three hundred one thousand, two hundred".