211444212212 has 24 divisors (see below), whose sum is σ = 412414410240. Its totient is φ = 94266149760.

The previous prime is 211444212197. The next prime is 211444212253. The reversal of 211444212212 is 212212444112.

211444212212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81826964 + ... + 81829547.

It is an arithmetic number, because the mean of its divisors is an integer number (17183933760).

Almost surely, 2^211444212212 is an apocalyptic number.

It is an amenable number.

211444212212 is a deficient number, since it is larger than the sum of its proper divisors (200970198028).

211444212212 is a wasteful number, since it uses less digits than its factorization.

211444212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163656551 (or 163656549 counting only the distinct ones).

The product of its digits is 2048, while the sum is 26.

Adding to 211444212212 its reverse (212212444112), we get a palindrome (423656656324).

The spelling of 211444212212 in words is "two hundred eleven billion, four hundred forty-four million, two hundred twelve thousand, two hundred twelve".