12142342 has 8 divisors (see below), whose sum is σ = 18229032. Its totient is φ = 6066000.

The previous prime is 12142337. The next prime is 12142357. The reversal of 12142342 is 24324121.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1917 + ... + 5287.

It is an arithmetic number, because the mean of its divisors is an integer number (2278629).

Almost surely, 2^12142342 is an apocalyptic number.

12142342 is a deficient number, since it is larger than the sum of its proper divisors (6086690).

12142342 is a wasteful number, since it uses less digits than its factorization.

12142342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174.

The product of its digits is 384, while the sum is 19.

The square root of 12142342 is about 3484.5863456083. The cubic root of 12142342 is about 229.8445199980.

Adding to 12142342 its reverse (24324121), we get a palindrome (36466463).

The spelling of 12142342 in words is "twelve million, one hundred forty-two thousand, three hundred forty-two".