212006006 has 4 divisors (see below), whose sum is σ = 318009012. Its totient is φ = 106003002.

The previous prime is 212005961. The next prime is 212006017. The reversal of 212006006 is 600600212.

It is a semiprime because it is the product of two primes.

212006006 is a modest number, since divided by 6006 gives 212 as remainder.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53001500 + ... + 53001503.

It is an arithmetic number, because the mean of its divisors is an integer number (79502253).

Almost surely, 2^212006006 is an apocalyptic number.

212006006 is a deficient number, since it is larger than the sum of its proper divisors (106003006).

212006006 is a wasteful number, since it uses less digits than its factorization.

212006006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106003005.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 212006006 is about 14560.4260239871. The cubic root of 212006006 is about 596.2788265652.

Adding to 212006006 its reverse (600600212), we get a palindrome (812606218).

The spelling of 212006006 in words is "two hundred twelve million, six thousand, six".