212000043441 has 4 divisors (see below), whose sum is σ = 282666724592. Its totient is φ = 141333362292.

The previous prime is 212000043391. The next prime is 212000043457. The reversal of 212000043441 is 144340000212.

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 not a de Polignac number, because 212000043441 - 2⁹ = 212000042929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212000048441) 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, 35333340571 + ... + 35333340576.

It is an arithmetic number, because the mean of its divisors is an integer number (70666681148).

Almost surely, 2^212000043441 is an apocalyptic number.

It is an amenable number.

212000043441 is a deficient number, since it is larger than the sum of its proper divisors (70666681151).

212000043441 is an equidigital number, since it uses as much as digits as its factorization.

212000043441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70666681150.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 212000043441 its reverse (144340000212), we get a palindrome (356340043653).

The spelling of 212000043441 in words is "two hundred twelve billion, forty-three thousand, four hundred forty-one".