212070 has 16 divisors (see below), whose sum is σ = 509040. Its totient is φ = 56544.

The previous prime is 212057. The next prime is 212081. The reversal of 212070 is 70212.

212070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 212070.

It is an unprimeable number.

212070 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3505 + ... + 3564.

It is an arithmetic number, because the mean of its divisors is an integer number (31815).

2²¹²⁰⁷⁰ is an apocalyptic number.

212070 is an abundant number, since it is smaller than the sum of its proper divisors (296970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212070 is a wasteful number, since it uses less digits than its factorization.

212070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7079.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 212070 is about 460.5105861975. The cubic root of 212070 is about 59.6338816106.

Adding to 212070 its reverse (70212), we get a palindrome (282282).

The spelling of 212070 in words is "two hundred twelve thousand, seventy", and thus it is an iban number.