12020042432089 has 2 divisors, whose sum is σ = 12020042432090. Its totient is φ = 12020042432088.

The previous prime is 12020042431987. The next prime is 12020042432143. The reversal of 12020042432089 is 98023424002021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7612108590025 + 4407933842064 = 2759005^2 + 2099508^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020042432089 - 2³³ = 12011452497497 is a prime.

It is not a weakly prime, because it can be changed into another prime (12020042436089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010021216044 + 6010021216045.

It is an arithmetic number, because the mean of its divisors is an integer number (6010021216045).

Almost surely, 2^{12020042432089} is an apocalyptic number.

It is an amenable number.

12020042432089 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020042432089 is an equidigital number, since it uses as much as digits as its factorization.

12020042432089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 12020042432089 in words is "twelve trillion, twenty billion, forty-two million, four hundred thirty-two thousand, eighty-nine".