500212105 has 4 divisors (see below), whose sum is σ = 600254532. Its totient is φ = 400169680.

The previous prime is 500212091. The next prime is 500212109. The reversal of 500212105 is 501212005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 266244489 + 233967616 = 16317^2 + 15296^2 .

It is a de Polignac number, because none of the positive numbers 2^k-500212105 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500212109) 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 3 ways as a sum of consecutive naturals, for example, 50021206 + ... + 50021215.

It is an arithmetic number, because the mean of its divisors is an integer number (150063633).

Almost surely, 2^500212105 is an apocalyptic number.

It is an amenable number.

500212105 is a deficient number, since it is larger than the sum of its proper divisors (100042427).

500212105 is a wasteful number, since it uses less digits than its factorization.

500212105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100042426.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 500212105 is about 22365.4220841012. The cubic root of 500212105 is about 793.8127420179.

Subtracting from 500212105 its product of nonzero digits (100), we obtain a palindrome (500212005).

The spelling of 500212105 in words is "five hundred million, two hundred twelve thousand, one hundred five".