12087217952851 has 2 divisors, whose sum is σ = 12087217952852. Its totient is φ = 12087217952850.

The previous prime is 12087217952813. The next prime is 12087217952857. The reversal of 12087217952851 is 15825971278021.

12087217952851 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 an emirp because it is prime and its reverse (15825971278021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12087217952851 - 2¹⁹ = 12087217428563 is a prime.

It is a super-2 number, since 2×12087217952851² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12087217952857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6043608976425 + 6043608976426.

It is an arithmetic number, because the mean of its divisors is an integer number (6043608976426).

Almost surely, 2^{12087217952851} is an apocalyptic number.

12087217952851 is a deficient number, since it is larger than the sum of its proper divisors (1).

12087217952851 is an equidigital number, since it uses as much as digits as its factorization.

12087217952851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5644800, while the sum is 58.

The spelling of 12087217952851 in words is "twelve trillion, eighty-seven billion, two hundred seventeen million, nine hundred fifty-two thousand, eight hundred fifty-one".