212330012 has 6 divisors (see below), whose sum is σ = 371577528. Its totient is φ = 106165004.

The previous prime is 212330003. The next prime is 212330033. The reversal of 212330012 is 210033212.

It is a happy 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, 26541248 + ... + 26541255.

It is an arithmetic number, because the mean of its divisors is an integer number (61929588).

Almost surely, 2^212330012 is an apocalyptic number.

It is an amenable number.

212330012 is a deficient number, since it is larger than the sum of its proper divisors (159247516).

212330012 is a wasteful number, since it uses less digits than its factorization.

212330012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53082507 (or 53082505 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 212330012 is about 14571.5480303227. The cubic root of 212330012 is about 596.5824336564.

Adding to 212330012 its reverse (210033212), we get a palindrome (422363224).

The spelling of 212330012 in words is "two hundred twelve million, three hundred thirty thousand, twelve".