212322103 has 16 divisors (see below), whose sum is σ = 245376000. Its totient is φ = 179962272.

The previous prime is 212322101. The next prime is 212322109. The reversal of 212322103 is 301223212.

It is not a de Polignac number, because 212322103 - 2¹ = 212322101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212322101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299113 + ... + 299821.

It is an arithmetic number, because the mean of its divisors is an integer number (15336000).

Almost surely, 2^212322103 is an apocalyptic number.

212322103 is a deficient number, since it is larger than the sum of its proper divisors (33053897).

212322103 is a wasteful number, since it uses less digits than its factorization.

212322103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 212322103 is about 14571.2766427654. The cubic root of 212322103 is about 596.5750262735.

Adding to 212322103 its reverse (301223212), we get a palindrome (513545315).

The spelling of 212322103 in words is "two hundred twelve million, three hundred twenty-two thousand, one hundred three".