142112001021443 has 2 divisors, whose sum is σ = 142112001021444. Its totient is φ = 142112001021442.

The previous prime is 142112001021439. The next prime is 142112001021517. The reversal of 142112001021443 is 344120100211241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142112001021443 - 2² = 142112001021439 is a prime.

It is not a weakly prime, because it can be changed into another prime (142112001041443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71056000510721 + 71056000510722.

It is an arithmetic number, because the mean of its divisors is an integer number (71056000510722).

Almost surely, 2^{142112001021443} is an apocalyptic number.

142112001021443 is a deficient number, since it is larger than the sum of its proper divisors (1).

142112001021443 is an equidigital number, since it uses as much as digits as its factorization.

142112001021443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 142112001021443 its reverse (344120100211241), we get a palindrome (486232101232684).

The spelling of 142112001021443 in words is "one hundred forty-two trillion, one hundred twelve billion, one million, twenty-one thousand, four hundred forty-three".