12020042432143 has 2 divisors, whose sum is σ = 12020042432144. Its totient is φ = 12020042432142.

The previous prime is 12020042432089. The next prime is 12020042432173. The reversal of 12020042432143 is 34123424002021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12020042432143 - 2¹³ = 12020042423951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020042432173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010021216071 + 6010021216072.

It is an arithmetic number, because the mean of its divisors is an integer number (6010021216072).

Almost surely, 2^{12020042432143} is an apocalyptic number.

12020042432143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020042432143 is an equidigital number, since it uses as much as digits as its factorization.

12020042432143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12020042432143 its reverse (34123424002021), we get a palindrome (46143466434164).

The spelling of 12020042432143 in words is "twelve trillion, twenty billion, forty-two million, four hundred thirty-two thousand, one hundred forty-three".