12143435142 has 8 divisors (see below), whose sum is σ = 24286870296. Its totient is φ = 4047811712.

The previous prime is 12143435123. The next prime is 12143435153. The reversal of 12143435142 is 24153434121.

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

12143435142 is an admirable number.

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, 1011952923 + ... + 1011952934.

It is an arithmetic number, because the mean of its divisors is an integer number (3035858787).

Almost surely, 2^12143435142 is an apocalyptic number.

12143435142 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.

12143435142 is a wasteful number, since it uses less digits than its factorization.

12143435142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023905862.

The product of its digits is 11520, while the sum is 30.

Adding to 12143435142 its reverse (24153434121), we get a palindrome (36296869263).

The spelling of 12143435142 in words is "twelve billion, one hundred forty-three million, four hundred thirty-five thousand, one hundred forty-two".