12186290587 has 2 divisors, whose sum is σ = 12186290588. Its totient is φ = 12186290586.

The previous prime is 12186290531. The next prime is 12186290609. The reversal of 12186290587 is 78509268121.

It is a happy number.

12186290587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12186290587 - 2²³ = 12177901979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12186290587.

It is not a weakly prime, because it can be changed into another prime (12186290507) 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, 6093145293 + 6093145294.

It is an arithmetic number, because the mean of its divisors is an integer number (6093145294).

Almost surely, 2^12186290587 is an apocalyptic number.

12186290587 is a deficient number, since it is larger than the sum of its proper divisors (1).

12186290587 is an equidigital number, since it uses as much as digits as its factorization.

12186290587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 12186290587 in words is "twelve billion, one hundred eighty-six million, two hundred ninety thousand, five hundred eighty-seven".