12231127143 has 8 divisors (see below), whose sum is σ = 18120188400. Its totient is φ = 8154084744.

The previous prime is 12231127133. The next prime is 12231127157. The reversal of 12231127143 is 34172113221.

It is not a de Polignac number, because 12231127143 - 2⁹ = 12231126631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 453004709 = 12231127143 / (1 + 2 + 2 + 3 + 1 + 1 + 2 + 7 + 1 + 4 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231127133) 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, 226502328 + ... + 226502381.

It is an arithmetic number, because the mean of its divisors is an integer number (2265023550).

Almost surely, 2^12231127143 is an apocalyptic number.

12231127143 is a deficient number, since it is larger than the sum of its proper divisors (5889061257).

12231127143 is an equidigital number, since it uses as much as digits as its factorization.

12231127143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453004718 (or 453004712 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The spelling of 12231127143 in words is "twelve billion, two hundred thirty-one million, one hundred twenty-seven thousand, one hundred forty-three".