12113251 has 2 divisors, whose sum is σ = 12113252. Its totient is φ = 12113250.

The previous prime is 12113221. The next prime is 12113267. The reversal of 12113251 is 15231121.

It is an a-pointer prime, because the next prime (12113267) can be obtained adding 12113251 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12113251 - 2⁹ = 12112739 is a prime.

It is not a weakly prime, because it can be changed into another prime (12113201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056625 + 6056626.

It is an arithmetic number, because the mean of its divisors is an integer number (6056626).

Almost surely, 2^12113251 is an apocalyptic number.

12113251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12113251 is an equidigital number, since it uses as much as digits as its factorization.

12113251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60, while the sum is 16.

The square root of 12113251 is about 3480.4096023313. The cubic root of 12113251 is about 229.6608170000.

Adding to 12113251 its reverse (15231121), we get a palindrome (27344372).

The spelling of 12113251 in words is "twelve million, one hundred thirteen thousand, two hundred fifty-one".