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12102 = 232017

12102 has 8 divisors (see below), whose sum is σ = 24216. Its totient is φ = 4032.

The previous prime is 12101. The next prime is 12107. The reversal of 12102 is 20121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12102 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (6), and also a Moran number because the ratio is a prime number: 2017 = 12102 / (1 + 2 + 1 + 0 + 2).

It is a plaindrome in base 13 and base 15.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 1003 + ... + 1014.

It is an arithmetic number, because the mean of its divisors is an integer number (3027).

12102 is a Friedman number, since it can be written as 110^2+2, using all its digits and the basic arithmetic operations.

212102 is an apocalyptic number.

12102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12108).

12102 is a wasteful number, since it uses less digits than its factorization.

12102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 12102 is about 110.0090905335. The cubic root of 12102 is about 22.9589690643.

Adding to 12102 its reverse (20121), we get a palindrome (32223).

The spelling of 12102 in words is "twelve thousand, one hundred two", and thus it is an iban number.

Divisors: 1 2 3 6 2017 4034 6051 12102