12543355142 has 8 divisors (see below), whose sum is σ = 18846031296. Its totient is φ = 6261344712.

The previous prime is 12543355093. The next prime is 12543355151. The reversal of 12543355142 is 24155334521.

12543355142 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5164913 + ... + 5167340.

It is an arithmetic number, because the mean of its divisors is an integer number (2355753912).

Almost surely, 2^12543355142 is an apocalyptic number.

12543355142 is a deficient number, since it is larger than the sum of its proper divisors (6302676154).

12543355142 is a wasteful number, since it uses less digits than its factorization.

12543355142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10332862.

The product of its digits is 72000, while the sum is 35.

Adding to 12543355142 its reverse (24155334521), we get a palindrome (36698689663).

The spelling of 12543355142 in words is "twelve billion, five hundred forty-three million, three hundred fifty-five thousand, one hundred forty-two".