12142320143 has 2 divisors, whose sum is σ = 12142320144. Its totient is φ = 12142320142.

The previous prime is 12142320131. The next prime is 12142320173. The reversal of 12142320143 is 34102324121.

It is a weak prime.

It is an emirp because it is prime and its reverse (34102324121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12142320143 - 2¹² = 12142316047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12142320173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071160071 + 6071160072.

It is an arithmetic number, because the mean of its divisors is an integer number (6071160072).

Almost surely, 2^12142320143 is an apocalyptic number.

12142320143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12142320143 is an equidigital number, since it uses as much as digits as its factorization.

12142320143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12142320143 its reverse (34102324121), we get a palindrome (46244644264).

The spelling of 12142320143 in words is "twelve billion, one hundred forty-two million, three hundred twenty thousand, one hundred forty-three".