212434103 has 16 divisors (see below), whose sum is σ = 251228160. Its totient is φ = 175780800.

The previous prime is 212434099. The next prime is 212434109. The reversal of 212434103 is 301434212.

It is a cyclic number.

It is not a de Polignac number, because 212434103 - 2² = 212434099 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 (212434109) 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, 112118 + ... + 113996.

It is an arithmetic number, because the mean of its divisors is an integer number (15701760).

Almost surely, 2^212434103 is an apocalyptic number.

212434103 is a deficient number, since it is larger than the sum of its proper divisors (38794057).

212434103 is a wasteful number, since it uses less digits than its factorization.

212434103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 212434103 is about 14575.1193134053. The cubic root of 212434103 is about 596.6799056948.

Adding to 212434103 its reverse (301434212), we get a palindrome (513868315).

The spelling of 212434103 in words is "two hundred twelve million, four hundred thirty-four thousand, one hundred three".