212344432 has 10 divisors (see below), whose sum is σ = 411417368. Its totient is φ = 106172208.

The previous prime is 212344423. The next prime is 212344439. The reversal of 212344432 is 234443212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212344397 and 212344406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212344439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6635748 + ... + 6635779.

Almost surely, 2^212344432 is an apocalyptic number.

It is an amenable number.

212344432 is a deficient number, since it is larger than the sum of its proper divisors (199072936).

212344432 is a wasteful number, since it uses less digits than its factorization.

212344432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13271535 (or 13271529 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 212344432 is about 14572.0428217872. The cubic root of 212344432 is about 596.5959386148.

Adding to 212344432 its reverse (234443212), we get a palindrome (446787644).

The spelling of 212344432 in words is "two hundred twelve million, three hundred forty-four thousand, four hundred thirty-two".