212043303 has 6 divisors (see below), whose sum is σ = 306284784. Its totient is φ = 141362196.

The previous prime is 212043283. The next prime is 212043311. The reversal of 212043303 is 303340212.

It is not a de Polignac number, because 212043303 - 2⁶ = 212043239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212043313) 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 in 5 ways as a sum of consecutive naturals, for example, 11780175 + ... + 11780192.

It is an arithmetic number, because the mean of its divisors is an integer number (51047464).

Almost surely, 2^212043303 is an apocalyptic number.

212043303 is a deficient number, since it is larger than the sum of its proper divisors (94241481).

212043303 is a wasteful number, since it uses less digits than its factorization.

212043303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23560373 (or 23560370 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 212043303 is about 14561.7067337589. The cubic root of 212043303 is about 596.3137911523.

Adding to 212043303 its reverse (303340212), we get a palindrome (515383515).

The spelling of 212043303 in words is "two hundred twelve million, forty-three thousand, three hundred three".