212423444324 has 48 divisors (see below), whose sum is σ = 473304249600. Its totient is φ = 81137863296.

The previous prime is 212423444279. The next prime is 212423444341. The reversal of 212423444324 is 423444324212.

212423444324 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 15 ways as a sum of consecutive naturals, for example, 10051184 + ... + 10072295.

It is an arithmetic number, because the mean of its divisors is an integer number (9860505200).

Almost surely, 2^212423444324 is an apocalyptic number.

It is an amenable number.

212423444324 is an abundant number, since it is smaller than the sum of its proper divisors (260880805276).

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

212423444324 is a wasteful number, since it uses less digits than its factorization.

212423444324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20123532 (or 20123530 counting only the distinct ones).

The product of its digits is 147456, while the sum is 35.

Adding to 212423444324 its reverse (423444324212), we get a palindrome (635867768536).

The spelling of 212423444324 in words is "two hundred twelve billion, four hundred twenty-three million, four hundred forty-four thousand, three hundred twenty-four".