12042143540052 has 24 divisors (see below), whose sum is σ = 28231502396832. Its totient is φ = 3995023922400.

The previous prime is 12042143539997. The next prime is 12042143540059. The reversal of 12042143540052 is 25004534124021.

12042143540052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12042143540052² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12042143539995 and 12042143540022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042143540059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2377987899 + ... + 2377992962.

It is an arithmetic number, because the mean of its divisors is an integer number (1176312599868).

Almost surely, 2^{12042143540052} is an apocalyptic number.

12042143540052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12042143540052 is an abundant number, since it is smaller than the sum of its proper divisors (16189358856780).

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

12042143540052 is a wasteful number, since it uses less digits than its factorization.

12042143540052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755981079 (or 4755981077 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 12042143540052 its reverse (25004534124021), we get a palindrome (37046677664073).

The spelling of 12042143540052 in words is "twelve trillion, forty-two billion, one hundred forty-three million, five hundred forty thousand, fifty-two".