12106 has 4 divisors (see below), whose sum is σ = 18162. Its totient is φ = 6052.

The previous prime is 12101. The next prime is 12107. The reversal of 12106 is 60121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60121 = 59 ⋅1019.

It can be written as a sum of positive squares in only one way, i.e., 11881 + 225 = 109^2 + 15^2 .

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 12092 and 12101.

It is not an unprimeable number, because it can be changed into a prime (12101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025 + ... + 3028.

12106 is a Friedman number, since it can be written as 110^2+6, using all its digits and the basic arithmetic operations.

2¹²¹⁰⁶ is an apocalyptic number.

12106 is a deficient number, since it is larger than the sum of its proper divisors (6056).

12106 is an equidigital number, since it uses as much as digits as its factorization.

12106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12106 is about 110.0272693472. The cubic root of 12106 is about 22.9614982815.

Adding to 12106 its reverse (60121), we get a palindrome (72227).

It can be divided in two parts, 1210 and 6, that multiplied together give a triangular number (7260 = T₁₂₀).

The spelling of 12106 in words is "twelve thousand, one hundred six".