212202112306 has 8 divisors (see below), whose sum is σ = 318329932140. Its totient is φ = 106092134928.

The previous prime is 212202112301. The next prime is 212202112307. The reversal of 212202112306 is 603211202212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 210621334225 + 1580778081 = 458935^2 + 39759^2 .

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

It is not an unprimeable number, because it can be changed into a prime (212202112301) 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 3 ways as a sum of consecutive naturals, for example, 4430841 + ... + 4478476.

Almost surely, 2^212202112306 is an apocalyptic number.

212202112306 is a deficient number, since it is larger than the sum of its proper divisors (106127819834).

212202112306 is a wasteful number, since it uses less digits than its factorization.

212202112306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8921228.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 212202112306 its reverse (603211202212), we get a palindrome (815413314518).

The spelling of 212202112306 in words is "two hundred twelve billion, two hundred two million, one hundred twelve thousand, three hundred six".