212077 has 8 divisors (see below), whose sum is σ = 224640. Its totient is φ = 199920.

The previous prime is 212057. The next prime is 212081. The reversal of 212077 is 770212.

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 212077 - 2⁷ = 211949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2008 + ... + 2110.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2²¹²⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

212077 is a deficient number, since it is larger than the sum of its proper divisors (12563).

212077 is a wasteful number, since it uses less digits than its factorization.

212077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 212077 is about 460.5181863944. The cubic root of 212077 is about 59.6345377344.

Adding to 212077 its reverse (770212), we get a palindrome (982289).

It can be divided in two parts, 2120 and 77, that added together give a cube (2197 = 13³).

The spelling of 212077 in words is "two hundred twelve thousand, seventy-seven", and thus it is an iban number.