12031204142 has 8 divisors (see below), whose sum is σ = 18047500056. Its totient is φ = 6015370792.

The previous prime is 12031204127. The next prime is 12031204153. The reversal of 12031204142 is 24140213021.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40973 + ... + 160440.

It is an arithmetic number, because the mean of its divisors is an integer number (2255937507).

Almost surely, 2^12031204142 is an apocalyptic number.

12031204142 is a deficient number, since it is larger than the sum of its proper divisors (6016295914).

12031204142 is a wasteful number, since it uses less digits than its factorization.

12031204142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231282.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12031204142 its reverse (24140213021), we get a palindrome (36171417163).

The spelling of 12031204142 in words is "twelve billion, thirty-one million, two hundred four thousand, one hundred forty-two".