12033640256142 has 8 divisors (see below), whose sum is σ = 24067280512296. Its totient is φ = 4011213418712.

The previous prime is 12033640256093. The next prime is 12033640256147. The reversal of 12033640256142 is 24165204633021.

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

12033640256142 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12033640256142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033640256147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002803354673 + ... + 1002803354684.

It is an arithmetic number, because the mean of its divisors is an integer number (3008410064037).

Almost surely, 2^{12033640256142} is an apocalyptic number.

12033640256142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12033640256142 is a wasteful number, since it uses less digits than its factorization.

12033640256142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005606709362.

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 12033640256142 its reverse (24165204633021), we get a palindrome (36198844889163).

The spelling of 12033640256142 in words is "twelve trillion, thirty-three billion, six hundred forty million, two hundred fifty-six thousand, one hundred forty-two".