12112751 has 12 divisors (see below), whose sum is σ = 14179320. Its totient is φ = 10316880.

The previous prime is 12112741. The next prime is 12112769. The reversal of 12112751 is 15721121.

It is a happy number.

It is not a de Polignac number, because 12112751 - 2¹⁸ = 11850607 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 (12112741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8081 + ... + 9461.

It is an arithmetic number, because the mean of its divisors is an integer number (1181610).

Almost surely, 2^12112751 is an apocalyptic number.

12112751 is a deficient number, since it is larger than the sum of its proper divisors (2066569).

12112751 is a wasteful number, since it uses less digits than its factorization.

12112751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1567 counting only the distinct ones).

The product of its digits is 140, while the sum is 20.

The square root of 12112751 is about 3480.3377709642. The cubic root of 12112751 is about 229.6576570449.

Adding to 12112751 its reverse (15721121), we get a palindrome (27833872).

The spelling of 12112751 in words is "twelve million, one hundred twelve thousand, seven hundred fifty-one".