12134142 has 24 divisors (see below), whose sum is σ = 26395200. Its totient is φ = 4028640.

The previous prime is 12134119. The next prime is 12134147. The reversal of 12134142 is 24143121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12134147) 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, 3859 + ... + 6257.

It is an arithmetic number, because the mean of its divisors is an integer number (1099800).

Almost surely, 2^12134142 is an apocalyptic number.

12134142 is an abundant number, since it is smaller than the sum of its proper divisors (14261058).

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

12134142 is a wasteful number, since it uses less digits than its factorization.

12134142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688 (or 2685 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 12134142 is about 3483.4095366465. The cubic root of 12134142 is about 229.7927686008.

Adding to 12134142 its reverse (24143121), we get a palindrome (36277263).

The spelling of 12134142 in words is "twelve million, one hundred thirty-four thousand, one hundred forty-two".