211412 has 12 divisors (see below), whose sum is σ = 391860. Its totient is φ = 99456.

The previous prime is 211403. The next prime is 211427. The reversal of 211412 is 214112.

It can be written as a sum of positive squares in 2 ways, for example, as 99856 + 111556 = 316^2 + 334^2 .

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 211393 and 211402.

It is a congruent number.

It is an unprimeable number.

211412 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 3 ways as a sum of consecutive naturals, for example, 1487 + ... + 1622.

It is an arithmetic number, because the mean of its divisors is an integer number (32655).

2²¹¹⁴¹² is an apocalyptic number.

It is an amenable number.

211412 is a deficient number, since it is larger than the sum of its proper divisors (180448).

211412 is a wasteful number, since it uses less digits than its factorization.

211412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130 (or 3128 counting only the distinct ones).

The product of its digits is 16, while the sum is 11.

The square root of 211412 is about 459.7956067646. The cubic root of 211412 is about 59.5721413876.

Adding to 211412 its reverse (214112), we get a palindrome (425524).

The spelling of 211412 in words is "two hundred eleven thousand, four hundred twelve", and thus it is an iban number.