212443343334 has 48 divisors (see below), whose sum is σ = 472846825152. Its totient is φ = 68884141824.

The previous prime is 212443343317. The next prime is 212443343353. The reversal of 212443343334 is 433343344212.

212443343334 is a `hidden beast` number, since 21 + 244 + 334 + 33 + 34 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2936622 + ... + 3008094.

It is an arithmetic number, because the mean of its divisors is an integer number (9850975524).

Almost surely, 2^212443343334 is an apocalyptic number.

212443343334 is an abundant number, since it is smaller than the sum of its proper divisors (260403481818).

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

212443343334 is a wasteful number, since it uses less digits than its factorization.

212443343334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75981 (or 75978 counting only the distinct ones).

The product of its digits is 248832, while the sum is 36.

Adding to 212443343334 its reverse (433343344212), we get a palindrome (645786687546).

The spelling of 212443343334 in words is "two hundred twelve billion, four hundred forty-three million, three hundred forty-three thousand, three hundred thirty-four".