212104435 has 4 divisors (see below), whose sum is σ = 254525328. Its totient is φ = 169683544.

The previous prime is 212104397. The next prime is 212104447. The reversal of 212104435 is 534401212.

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

It is a cyclic number.

It is not a de Polignac number, because 212104435 - 2⁹ = 212103923 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21210439 + ... + 21210448.

It is an arithmetic number, because the mean of its divisors is an integer number (63631332).

Almost surely, 2^212104435 is an apocalyptic number.

212104435 is a deficient number, since it is larger than the sum of its proper divisors (42420893).

212104435 is an equidigital number, since it uses as much as digits as its factorization.

212104435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42420892.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 212104435 is about 14563.8056496233. The cubic root of 212104435 is about 596.3710913225.

Adding to 212104435 its reverse (534401212), we get a palindrome (746505647).

The spelling of 212104435 in words is "two hundred twelve million, one hundred four thousand, four hundred thirty-five".