211444233412 has 12 divisors (see below), whose sum is σ = 370361074860. Its totient is φ = 105626783456.

The previous prime is 211444233409. The next prime is 211444233421. The reversal of 211444233412 is 214332444112.

It is a happy number.

211444233412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 93009140676 + 118435092736 = 304974^2 + 344144^2 .

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 3 ways as a sum of consecutive naturals, for example, 23828323 + ... + 23837194.

It is an arithmetic number, because the mean of its divisors is an integer number (30863422905).

Almost surely, 2^211444233412 is an apocalyptic number.

It is an amenable number.

211444233412 is a deficient number, since it is larger than the sum of its proper divisors (158916841448).

211444233412 is a wasteful number, since it uses less digits than its factorization.

211444233412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47666630 (or 47666628 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

Adding to 211444233412 its reverse (214332444112), we get a palindrome (425776677524).

The spelling of 211444233412 in words is "two hundred eleven billion, four hundred forty-four million, two hundred thirty-three thousand, four hundred twelve".