212344203 has 16 divisors (see below), whose sum is σ = 294213632. Its totient is φ = 136080000.

The previous prime is 212344201. The next prime is 212344213. The reversal of 212344203 is 302443212.

It is not a de Polignac number, because 212344203 - 2¹ = 212344201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212344203.

It is not an unprimeable number, because it can be changed into a prime (212344201) 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 15 ways as a sum of consecutive naturals, for example, 6483 + ... + 21603.

It is an arithmetic number, because the mean of its divisors is an integer number (18388352).

Almost surely, 2^212344203 is an apocalyptic number.

212344203 is a deficient number, since it is larger than the sum of its proper divisors (81869429).

212344203 is a wasteful number, since it uses less digits than its factorization.

212344203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15306.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 212344203 is about 14572.0349642732. The cubic root of 212344203 is about 596.5957241511.

Adding to 212344203 its reverse (302443212), we get a palindrome (514787415).

Subtracting 212344203 from its reverse (302443212), we obtain a palindrome (90099009).

The spelling of 212344203 in words is "two hundred twelve million, three hundred forty-four thousand, two hundred three".