12002122087 has 2 divisors, whose sum is σ = 12002122088. Its totient is φ = 12002122086.

The previous prime is 12002122057. The next prime is 12002122159. The reversal of 12002122087 is 78022120021.

It is a weak prime.

It is an emirp because it is prime and its reverse (78022120021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12002122087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002122057) 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, 6001061043 + 6001061044.

It is an arithmetic number, because the mean of its divisors is an integer number (6001061044).

Almost surely, 2^12002122087 is an apocalyptic number.

12002122087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002122087 is an equidigital number, since it uses as much as digits as its factorization.

12002122087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The spelling of 12002122087 in words is "twelve billion, two million, one hundred twenty-two thousand, eighty-seven".