12151 has 4 divisors (see below), whose sum is σ = 12600. Its totient is φ = 11704.

The previous prime is 12149. The next prime is 12157. The reversal of 12151 is 15121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12151 - 2¹ = 12149 is a prime.

It is a Duffinian number.

12151 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181 + ... + 238.

It is an arithmetic number, because the mean of its divisors is an integer number (3150).

2¹²¹⁵¹ is an apocalyptic number.

12151 is a deficient number, since it is larger than the sum of its proper divisors (449).

12151 is an equidigital number, since it uses as much as digits as its factorization.

12151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448.

The product of its digits is 10, while the sum is 10.

The square root of 12151 is about 110.2315744240. The cubic root of 12151 is about 22.9899136619.

Adding to 12151 its reverse (15121), we get a palindrome (27272).

The spelling of 12151 in words is "twelve thousand, one hundred fifty-one".