212204353 has 4 divisors (see below), whose sum is σ = 224686980. Its totient is φ = 199721728.

The previous prime is 212204329. The next prime is 212204383. The reversal of 212204353 is 353402212.

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 183656704 + 28547649 = 13552^2 + 5343^2 .

It is a cyclic number.

It is not a de Polignac number, because 212204353 - 2⁹ = 212203841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212204383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6241288 + ... + 6241321.

It is an arithmetic number, because the mean of its divisors is an integer number (56171745).

Almost surely, 2^212204353 is an apocalyptic number.

It is an amenable number.

212204353 is a deficient number, since it is larger than the sum of its proper divisors (12482627).

212204353 is a wasteful number, since it uses less digits than its factorization.

212204353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12482626.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 212204353 is about 14567.2355991108. The cubic root of 212204353 is about 596.4647226386.

Adding to 212204353 its reverse (353402212), we get a palindrome (565606565).

The spelling of 212204353 in words is "two hundred twelve million, two hundred four thousand, three hundred fifty-three".