12143343112432 has 40 divisors (see below), whose sum is σ = 27212793019776. Its totient is φ = 5141587613376.

The previous prime is 12143343112421. The next prime is 12143343112447. The reversal of 12143343112432 is 23421134334121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653139538 + ... + 653158129.

Almost surely, 2^{12143343112432} is an apocalyptic number.

It is an amenable number.

12143343112432 is an abundant number, since it is smaller than the sum of its proper divisors (15069449907344).

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

12143343112432 is a wasteful number, since it uses less digits than its factorization.

12143343112432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306297765 (or 1306297759 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

Adding to 12143343112432 its reverse (23421134334121), we get a palindrome (35564477446553).

The spelling of 12143343112432 in words is "twelve trillion, one hundred forty-three billion, three hundred forty-three million, one hundred twelve thousand, four hundred thirty-two".