212443000000 has 784 divisors, whose sum is σ = 685791221760. Its totient is φ = 63360000000.

The previous prime is 212442999961. The next prime is 212443000109. The reversal of 212443000000 is 344212.

212443000000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 2386999956 + ... + 2387000044.

Almost surely, 2^212443000000 is an apocalyptic number.

212443000000 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 212443000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342895610880).

212443000000 is an abundant number, since it is smaller than the sum of its proper divisors (473348221760).

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

212443000000 is an frugal number, since it uses more digits than its factorization.

212443000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 212443000000 its reverse (344212), we get a palindrome (212443344212).

The spelling of 212443000000 in words is "two hundred twelve billion, four hundred forty-three million", and thus it is an aban number.