212224044423 has 16 divisors (see below), whose sum is σ = 299631778560. Its totient is φ = 133150690176.

The previous prime is 212224044343. The next prime is 212224044449. The reversal of 212224044423 is 324440422212.

It is a happy number.

It is not a de Polignac number, because 212224044423 - 2¹⁴ = 212224028039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212224044523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611736 + ... + 893682.

It is an arithmetic number, because the mean of its divisors is an integer number (18726986160).

Almost surely, 2^212224044423 is an apocalyptic number.

212224044423 is a deficient number, since it is larger than the sum of its proper divisors (87407734137).

212224044423 is a wasteful number, since it uses less digits than its factorization.

212224044423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296726.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 212224044423 its reverse (324440422212), we get a palindrome (536664466635).

The spelling of 212224044423 in words is "two hundred twelve billion, two hundred twenty-four million, forty-four thousand, four hundred twenty-three".