12112458 has 16 divisors (see below), whose sum is σ = 24566976. Its totient is φ = 3980480.

The previous prime is 12112453. The next prime is 12112469. The reversal of 12112458 is 85421121.

It is not an unprimeable number, because it can be changed into a prime (12112453) 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 7 ways as a sum of consecutive naturals, for example, 13791 + ... + 14642.

It is an arithmetic number, because the mean of its divisors is an integer number (1535436).

Almost surely, 2^12112458 is an apocalyptic number.

12112458 is an abundant number, since it is smaller than the sum of its proper divisors (12454518).

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

12112458 is a wasteful number, since it uses less digits than its factorization.

12112458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28509.

The product of its digits is 640, while the sum is 24.

The square root of 12112458 is about 3480.2956770941. The cubic root of 12112458 is about 229.6558052708.

Adding to 12112458 its reverse (85421121), we get a palindrome (97533579).

The spelling of 12112458 in words is "twelve million, one hundred twelve thousand, four hundred fifty-eight".