212444222233424 has 40 divisors (see below), whose sum is σ = 412166635444608. Its totient is φ = 106078649114880.

The previous prime is 212444222233381. The next prime is 212444222233447. The reversal of 212444222233424 is 424332222444212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348257609 + ... + 348867095.

Almost surely, 2^{212444222233424} is an apocalyptic number.

It is an amenable number.

212444222233424 is a deficient number, since it is larger than the sum of its proper divisors (199722413211184).

212444222233424 is a wasteful number, since it uses less digits than its factorization.

212444222233424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638883 (or 638877 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 41.

Adding to 212444222233424 its reverse (424332222444212), we get a palindrome (636776444677636).

The spelling of 212444222233424 in words is "two hundred twelve trillion, four hundred forty-four billion, two hundred twenty-two million, two hundred thirty-three thousand, four hundred twenty-four".