212711055 has 32 divisors (see below), whose sum is σ = 364953600. Its totient is φ = 105411072.

The previous prime is 212711047. The next prime is 212711063. The reversal of 212711055 is 550117212.

It is an interprime number because it is at equal distance from previous prime (212711047) and next prime (212711063).

It is not a de Polignac number, because 212711055 - 2³ = 212711047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14866 + ... + 25424.

It is an arithmetic number, because the mean of its divisors is an integer number (11404800).

Almost surely, 2^212711055 is an apocalyptic number.

212711055 is a deficient number, since it is larger than the sum of its proper divisors (152242545).

212711055 is a wasteful number, since it uses less digits than its factorization.

212711055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10663.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 212711055 is about 14584.6170673076. The cubic root of 212711055 is about 596.9390918448.

Adding to 212711055 its reverse (550117212), we get a palindrome (762828267).

The spelling of 212711055 in words is "two hundred twelve million, seven hundred eleven thousand, fifty-five".