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11212 = 222803
BaseRepresentation
bin10101111001100
3120101021
42233030
5324322
6123524
744455
oct25714
916337
1011212
118473
1265a4
135146
14412c
1534c7
hex2bcc

11212 has 6 divisors (see below), whose sum is σ = 19628. Its totient is φ = 5604.

The previous prime is 11197. The next prime is 11213. The reversal of 11212 is 21211.

11212 is nontrivially palindromic in base 3.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a plaindrome in base 7 and base 16.

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 11195 and 11204.

It is not an unprimeable number, because it can be changed into a prime (11213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1398 + ... + 1405.

211212 is an apocalyptic number.

It is an amenable number.

11212 is a deficient number, since it is larger than the sum of its proper divisors (8416).

11212 is a wasteful number, since it uses less digits than its factorization.

11212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807 (or 2805 counting only the distinct ones).

The product of its digits is 4, while the sum is 7.

The square root of 11212 is about 105.8867319356. The cubic root of 11212 is about 22.3817666248.

Adding to 11212 its reverse (21211), we get a palindrome (32423).

Subtracting 11212 from its reverse (21211), we obtain a palindrome (9999).

It can be divided in two parts, 11 and 212, that multiplied together give a palindrome (2332).

The spelling of 11212 in words is "eleven thousand, two hundred twelve", and thus it is an iban number.

Divisors: 1 2 4 2803 5606 11212