12140731873 has 2 divisors, whose sum is σ = 12140731874. Its totient is φ = 12140731872.

The previous prime is 12140731859. The next prime is 12140731901. The reversal of 12140731873 is 37813704121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11961359424 + 179372449 = 109368^2 + 13393^2 .

It is a cyclic number.

It is not a de Polignac number, because 12140731873 - 2³³ = 3550797281 is a prime.

It is not a weakly prime, because it can be changed into another prime (12140731073) 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, 6070365936 + 6070365937.

It is an arithmetic number, because the mean of its divisors is an integer number (6070365937).

Almost surely, 2^12140731873 is an apocalyptic number.

It is an amenable number.

12140731873 is a deficient number, since it is larger than the sum of its proper divisors (1).

12140731873 is an equidigital number, since it uses as much as digits as its factorization.

12140731873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 12140731873 in words is "twelve billion, one hundred forty million, seven hundred thirty-one thousand, eight hundred seventy-three".