212124103 has 8 divisors (see below), whose sum is σ = 219883136. Its totient is φ = 204422400.

The previous prime is 212124053. The next prime is 212124109. The reversal of 212124103 is 301421212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212124103 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 (212124109) 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 7 ways as a sum of consecutive naturals, for example, 6726 + ... + 21667.

It is an arithmetic number, because the mean of its divisors is an integer number (27485392).

Almost surely, 2^212124103 is an apocalyptic number.

212124103 is a deficient number, since it is larger than the sum of its proper divisors (7759033).

212124103 is a wasteful number, since it uses less digits than its factorization.

212124103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28665.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 212124103 is about 14564.4808695676. The cubic root of 212124103 is about 596.3895241668.

Adding to 212124103 its reverse (301421212), we get a palindrome (513545315).

The spelling of 212124103 in words is "two hundred twelve million, one hundred twenty-four thousand, one hundred three".