212044055 has 4 divisors (see below), whose sum is σ = 254452872. Its totient is φ = 169635240.

The previous prime is 212044031. The next prime is 212044069. The reversal of 212044055 is 550440212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 212044055 - 2¹² = 212039959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212044055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21204401 + ... + 21204410.

It is an arithmetic number, because the mean of its divisors is an integer number (63613218).

Almost surely, 2^212044055 is an apocalyptic number.

212044055 is a deficient number, since it is larger than the sum of its proper divisors (42408817).

212044055 is an equidigital number, since it uses as much as digits as its factorization.

212044055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42408816.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 212044055 is about 14561.7325548851. The cubic root of 212044055 is about 596.3144960829.

Adding to 212044055 its reverse (550440212), we get a palindrome (762484267).

The spelling of 212044055 in words is "two hundred twelve million, forty-four thousand, fifty-five".