12032311312143 has 8 divisors (see below), whose sum is σ = 17825646388400. Its totient is φ = 8021540874744.

The previous prime is 12032311312123. The next prime is 12032311312169. The reversal of 12032311312143 is 34121311323021.

12032311312143 is a `hidden beast` number, since 1 + 2 + 0 + 32 + 311 + 312 + 1 + 4 + 3 = 666.

It is not a de Polignac number, because 12032311312143 - 2⁵ = 12032311312111 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: 445641159709 = 12032311312143 / (1 + 2 + 0 + 3 + 2 + 3 + 1 + 1 + 3 + 1 + 2 + 1 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032311312123) 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, 222820579828 + ... + 222820579881.

It is an arithmetic number, because the mean of its divisors is an integer number (2228205798550).

Almost surely, 2^{12032311312143} is an apocalyptic number.

12032311312143 is a deficient number, since it is larger than the sum of its proper divisors (5793335076257).

12032311312143 is an equidigital number, since it uses as much as digits as its factorization.

12032311312143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445641159718 (or 445641159712 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 12032311312143 its reverse (34121311323021), we get a palindrome (46153622635164).

The spelling of 12032311312143 in words is "twelve trillion, thirty-two billion, three hundred eleven million, three hundred twelve thousand, one hundred forty-three".