12031232143 has 8 divisors (see below), whose sum is σ = 13955203712. Its totient is φ = 10158566616.

The previous prime is 12031232141. The next prime is 12031232189. The reversal of 12031232143 is 34123213021.

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

It is a cyclic number.

It is not a de Polignac number, because 12031232143 - 2¹ = 12031232141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031232141) 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, 12826005 + ... + 12826942.

It is an arithmetic number, because the mean of its divisors is an integer number (1744400464).

Almost surely, 2^12031232143 is an apocalyptic number.

12031232143 is a deficient number, since it is larger than the sum of its proper divisors (1923971569).

12031232143 is an equidigital number, since it uses as much as digits as its factorization.

12031232143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25653021.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12031232143 its reverse (34123213021), we get a palindrome (46154445164).

The spelling of 12031232143 in words is "twelve billion, thirty-one million, two hundred thirty-two thousand, one hundred forty-three".