212144441211 has 24 divisors (see below), whose sum is σ = 330779947680. Its totient is φ = 130615664256.

The previous prime is 212144441189. The next prime is 212144441291. The reversal of 212144441211 is 112144441212.

212144441211 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 4 + 4 + 441 + 211 = 666.

It is not a de Polignac number, because 212144441211 - 2¹⁰ = 212144440187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212144441291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17663866 + ... + 17675871.

It is an arithmetic number, because the mean of its divisors is an integer number (13782497820).

Almost surely, 2^212144441211 is an apocalyptic number.

212144441211 is a deficient number, since it is larger than the sum of its proper divisors (118635506469).

212144441211 is a wasteful number, since it uses less digits than its factorization.

212144441211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35339795 (or 35339792 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

Adding to 212144441211 its reverse (112144441212), we get a palindrome (324288882423).

Subtracting from 212144441211 its reverse (112144441212), we obtain a palindrome (99999999999).

The spelling of 212144441211 in words is "two hundred twelve billion, one hundred forty-four million, four hundred forty-one thousand, two hundred eleven".