12136142 has 8 divisors (see below), whose sum is σ = 18222096. Its totient is φ = 6062112.

The previous prime is 12136141. The next prime is 12136151. The reversal of 12136142 is 24163121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12136141) 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, 278 + ... + 4934.

It is an arithmetic number, because the mean of its divisors is an integer number (2277762).

Almost surely, 2^12136142 is an apocalyptic number.

12136142 is a deficient number, since it is larger than the sum of its proper divisors (6085954).

12136142 is a wasteful number, since it uses less digits than its factorization.

12136142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962.

The product of its digits is 288, while the sum is 20.

The square root of 12136142 is about 3483.6965998778. The cubic root of 12136142 is about 229.8053930421.

Adding to 12136142 its reverse (24163121), we get a palindrome (36299263).

It can be divided in two parts, 121 and 36142, that added together give a palindrome (36263).

The spelling of 12136142 in words is "twelve million, one hundred thirty-six thousand, one hundred forty-two".