212104441 has 4 divisors (see below), whose sum is σ = 212530000. Its totient is φ = 211678884.

The previous prime is 212104397. The next prime is 212104447. The reversal of 212104441 is 144401212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212104441 - 2¹¹ = 212102393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212104447) 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, 212031 + ... + 213028.

It is an arithmetic number, because the mean of its divisors is an integer number (53132500).

Almost surely, 2^212104441 is an apocalyptic number.

It is an amenable number.

212104441 is a deficient number, since it is larger than the sum of its proper divisors (425559).

212104441 is an equidigital number, since it uses as much as digits as its factorization.

212104441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425558.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 212104441 is about 14563.8058556134. The cubic root of 212104441 is about 596.3710969459.

Adding to 212104441 its reverse (144401212), we get a palindrome (356505653).

It can be divided in two parts, 21210 and 4441, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 212104441 in words is "two hundred twelve million, one hundred four thousand, four hundred forty-one".