212444105 has 8 divisors (see below), whose sum is σ = 255370752. Its totient is φ = 169663408.

The previous prime is 212444093. The next prime is 212444129. The reversal of 212444105 is 501444212.

212444105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212444105 - 2¹⁰ = 212443081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33257 + ... + 39126.

It is an arithmetic number, because the mean of its divisors is an integer number (31921344).

Almost surely, 2^212444105 is an apocalyptic number.

It is an amenable number.

212444105 is a deficient number, since it is larger than the sum of its proper divisors (42926647).

212444105 is an equidigital number, since it uses as much as digits as its factorization.

212444105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72975.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 212444105 is about 14575.4624283417. The cubic root of 212444105 is about 596.6892700085.

Adding to 212444105 its reverse (501444212), we get a palindrome (713888317).

The spelling of 212444105 in words is "two hundred twelve million, four hundred forty-four thousand, one hundred five".