212055055 has 16 divisors (see below), whose sum is σ = 268173504. Its totient is φ = 160652800.

The previous prime is 212055043. The next prime is 212055073. The reversal of 212055055 is 550550212.

It is a happy number.

212055055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212055055 - 2²¹ = 209957903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2487 + ... + 20743.

It is an arithmetic number, because the mean of its divisors is an integer number (16760844).

Almost surely, 2^212055055 is an apocalyptic number.

212055055 is a deficient number, since it is larger than the sum of its proper divisors (56118449).

212055055 is a wasteful number, since it uses less digits than its factorization.

212055055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18386.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 212055055 is about 14562.1102522952. The cubic root of 212055055 is about 596.3248073773.

It can be divided in two parts, 2120 and 55055, that added together give a palindrome (57175).

The spelling of 212055055 in words is "two hundred twelve million, fifty-five thousand, fifty-five".