12000016859 has 2 divisors, whose sum is σ = 12000016860. Its totient is φ = 12000016858.

The previous prime is 12000016781. The next prime is 12000016879. The reversal of 12000016859 is 95861000021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12000016859 - 2¹⁶ = 11999951323 is a prime.

It is a super-3 number, since 3×12000016859³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12000016879) 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, 6000008429 + 6000008430.

It is an arithmetic number, because the mean of its divisors is an integer number (6000008430).

Almost surely, 2^12000016859 is an apocalyptic number.

12000016859 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000016859 is an equidigital number, since it uses as much as digits as its factorization.

12000016859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 12000016859 in words is "twelve billion, sixteen thousand, eight hundred fifty-nine".