212000323321000 has 128 divisors (see below), whose sum is σ = 505654067318400. Its totient is φ = 83170305100800.

The previous prime is 212000323320983. The next prime is 212000323321037. The reversal of 212000323321000 is 123323000212.

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, 21397779 + ... + 29696221.

It is an arithmetic number, because the mean of its divisors is an integer number (3950422400925).

Almost surely, 2^{212000323321000} is an apocalyptic number.

212000323321000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212000323321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252827033659200).

212000323321000 is an abundant number, since it is smaller than the sum of its proper divisors (293653743997400).

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

212000323321000 is a wasteful number, since it uses less digits than its factorization.

212000323321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8298956 (or 8298942 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212000323321000 its reverse (123323000212), we get a palindrome (212123646321212).

The spelling of 212000323321000 in words is "two hundred twelve trillion, three hundred twenty-three million, three hundred twenty-one thousand".