12201020201987 has 2 divisors, whose sum is σ = 12201020201988. Its totient is φ = 12201020201986.

The previous prime is 12201020201969. The next prime is 12201020202079. The reversal of 12201020201987 is 78910202010221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12201020201987 - 2¹⁶ = 12201020136451 is a prime.

It is not a weakly prime, because it can be changed into another prime (12201020201387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100510100993 + 6100510100994.

It is an arithmetic number, because the mean of its divisors is an integer number (6100510100994).

Almost surely, 2^{12201020201987} is an apocalyptic number.

12201020201987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201020201987 is an equidigital number, since it uses as much as digits as its factorization.

12201020201987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 12201020201987 in words is "twelve trillion, two hundred one billion, twenty million, two hundred one thousand, nine hundred eighty-seven".