212344005 has 8 divisors (see below), whose sum is σ = 339750432. Its totient is φ = 113250128.

The previous prime is 212344001. The next prime is 212344081. The reversal of 212344005 is 500443212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212344005 - 2² = 212344001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212344001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7078119 + ... + 7078148.

It is an arithmetic number, because the mean of its divisors is an integer number (42468804).

Almost surely, 2^212344005 is an apocalyptic number.

It is an amenable number.

212344005 is a deficient number, since it is larger than the sum of its proper divisors (127406427).

212344005 is a wasteful number, since it uses less digits than its factorization.

212344005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14156275.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 212344005 is about 14572.0281704367. The cubic root of 212344005 is about 596.5955387195.

Adding to 212344005 its reverse (500443212), we get a palindrome (712787217).

The spelling of 212344005 in words is "two hundred twelve million, three hundred forty-four thousand, five".