212000003 has 2 divisors, whose sum is σ = 212000004. Its totient is φ = 212000002.

The previous prime is 211999969. The next prime is 212000021. The reversal of 212000003 is 300000212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212000003 - 2¹⁸ = 211737859 is a prime.

It is not a weakly prime, because it can be changed into another prime (212000203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000001 + 106000002.

It is an arithmetic number, because the mean of its divisors is an integer number (106000002).

Almost surely, 2^212000003 is an apocalyptic number.

212000003 is a deficient number, since it is larger than the sum of its proper divisors (1).

212000003 is an equidigital number, since it uses as much as digits as its factorization.

212000003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 212000003 is about 14560.2198815815. The cubic root of 212000003 is about 596.2731985870.

Adding to 212000003 its reverse (300000212), we get a palindrome (512000215).

The spelling of 212000003 in words is "two hundred twelve million, three", and thus it is an aban number.