212444230312 has 32 divisors (see below), whose sum is σ = 405947998080. Its totient is φ = 104192412480.

The previous prime is 212444230303. The next prime is 212444230337. The reversal of 212444230312 is 213032444212.

212444230312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 1734733 + ... + 1853155.

It is an arithmetic number, because the mean of its divisors is an integer number (12685874940).

Almost surely, 2^212444230312 is an apocalyptic number.

It is an amenable number.

212444230312 is a deficient number, since it is larger than the sum of its proper divisors (193503767768).

212444230312 is a wasteful number, since it uses less digits than its factorization.

212444230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122713 (or 122709 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 212444230312 its reverse (213032444212), we get a palindrome (425476674524).

The spelling of 212444230312 in words is "two hundred twelve billion, four hundred forty-four million, two hundred thirty thousand, three hundred twelve".