12112151 has 4 divisors (see below), whose sum is σ = 12173832. Its totient is φ = 12050472.

The previous prime is 12112127. The next prime is 12112159. The reversal of 12112151 is 15121121.

12112151 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15121121 = 103 ⋅146807.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12112151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112159) 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, 30545 + ... + 30938.

It is an arithmetic number, because the mean of its divisors is an integer number (3043458).

Almost surely, 2^12112151 is an apocalyptic number.

12112151 is a deficient number, since it is larger than the sum of its proper divisors (61681).

12112151 is an equidigital number, since it uses as much as digits as its factorization.

12112151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61680.

The product of its digits is 20, while the sum is 14.

The square root of 12112151 is about 3480.2515713666. The cubic root of 12112151 is about 229.6538649839.

Adding to 12112151 its reverse (15121121), we get a palindrome (27233272).

The spelling of 12112151 in words is "twelve million, one hundred twelve thousand, one hundred fifty-one".