12144403143 has 20 divisors (see below), whose sum is σ = 18227644248. Its totient is φ = 8057886480.

The previous prime is 12144403133. The next prime is 12144403153. The reversal of 12144403143 is 34130444121.

12144403143 is a `hidden beast` number, since 1 + 214 + 4 + 403 + 1 + 43 = 666.

It is an interprime number because it is at equal distance from previous prime (12144403133) and next prime (12144403153).

It is not a de Polignac number, because 12144403143 - 2⁶ = 12144403079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144403133) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 338196 + ... + 372377.

Almost surely, 2^12144403143 is an apocalyptic number.

12144403143 is a deficient number, since it is larger than the sum of its proper divisors (6083241105).

12144403143 is an equidigital number, since it uses as much as digits as its factorization.

12144403143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710796 (or 710787 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 12144403143 its reverse (34130444121), we get a palindrome (46274847264).

The spelling of 12144403143 in words is "twelve billion, one hundred forty-four million, four hundred three thousand, one hundred forty-three".