212201219998987 has 2 divisors, whose sum is σ = 212201219998988. Its totient is φ = 212201219998986.

The previous prime is 212201219998969. The next prime is 212201219999023. The reversal of 212201219998987 is 789899912102212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212201219998987 - 2¹¹ = 212201219996939 is a prime.

It is not a weakly prime, because it can be changed into another prime (212201219998087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100609999493 + 106100609999494.

It is an arithmetic number, because the mean of its divisors is an integer number (106100609999494).

Almost surely, 2^{212201219998987} is an apocalyptic number.

212201219998987 is a deficient number, since it is larger than the sum of its proper divisors (1).

212201219998987 is an equidigital number, since it uses as much as digits as its factorization.

212201219998987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47029248, while the sum is 70.

The spelling of 212201219998987 in words is "two hundred twelve trillion, two hundred one billion, two hundred nineteen million, nine hundred ninety-eight thousand, nine hundred eighty-seven".