212201044404 has 12 divisors (see below), whose sum is σ = 495135770304. Its totient is φ = 70733681464.

The previous prime is 212201044403. The next prime is 212201044439. The reversal of 212201044404 is 404440102212.

212201044404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×212201044404² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201044403) by changing a digit.

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, 8841710172 + ... + 8841710195.

It is an arithmetic number, because the mean of its divisors is an integer number (41261314192).

Almost surely, 2^212201044404 is an apocalyptic number.

It is an amenable number.

212201044404 is an abundant number, since it is smaller than the sum of its proper divisors (282934725900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212201044404 is a wasteful number, since it uses less digits than its factorization.

212201044404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17683420374 (or 17683420372 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 212201044404 its reverse (404440102212), we get a palindrome (616641146616).

The spelling of 212201044404 in words is "two hundred twelve billion, two hundred one million, forty-four thousand, four hundred four".