2012423021143 has 2 divisors, whose sum is σ = 2012423021144. Its totient is φ = 2012423021142.

The previous prime is 2012423021129. The next prime is 2012423021159. The reversal of 2012423021143 is 3411203242102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012423021143 - 2²¹ = 2012420923991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012423021113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006211510571 + 1006211510572.

It is an arithmetic number, because the mean of its divisors is an integer number (1006211510572).

Almost surely, 2^{2012423021143} is an apocalyptic number.

2012423021143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012423021143 is an equidigital number, since it uses as much as digits as its factorization.

2012423021143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2012423021143 its reverse (3411203242102), we get a palindrome (5423626263245).

The spelling of 2012423021143 in words is "two trillion, twelve billion, four hundred twenty-three million, twenty-one thousand, one hundred forty-three".