12312503531143 has 4 divisors (see below), whose sum is σ = 12376966900608. Its totient is φ = 12248040161680.

The previous prime is 12312503531131. The next prime is 12312503531177. The reversal of 12312503531143 is 34113530521321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12312503531143 - 2³³ = 12303913596551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12312503531099 and 12312503531108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312503531123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32231684446 + ... + 32231684827.

It is an arithmetic number, because the mean of its divisors is an integer number (3094241725152).

Almost surely, 2^{12312503531143} is an apocalyptic number.

12312503531143 is a deficient number, since it is larger than the sum of its proper divisors (64463369465).

12312503531143 is an equidigital number, since it uses as much as digits as its factorization.

12312503531143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64463369464.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 12312503531143 in words is "twelve trillion, three hundred twelve billion, five hundred three million, five hundred thirty-one thousand, one hundred forty-three".