211422144412 has 12 divisors (see below), whose sum is σ = 370012819176. Its totient is φ = 105704196080.

The previous prime is 211422144383. The next prime is 211422144431. The reversal of 211422144412 is 214441224112.

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649539 + ... + 1773082.

It is an arithmetic number, because the mean of its divisors is an integer number (30834401598).

Almost surely, 2^211422144412 is an apocalyptic number.

It is an amenable number.

211422144412 is a deficient number, since it is larger than the sum of its proper divisors (158590674764).

211422144412 is a wasteful number, since it uses less digits than its factorization.

211422144412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438068 (or 3438066 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

Adding to 211422144412 its reverse (214441224112), we get a palindrome (425863368524).

The spelling of 211422144412 in words is "two hundred eleven billion, four hundred twenty-two million, one hundred forty-four thousand, four hundred twelve".