12201202021187 has 2 divisors, whose sum is σ = 12201202021188. Its totient is φ = 12201202021186.

The previous prime is 12201202021069. The next prime is 12201202021243. The reversal of 12201202021187 is 78112020210221.

12201202021187 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 (78112020210221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12201202021187 - 2¹² = 12201202017091 is a prime.

It is not a weakly prime, because it can be changed into another prime (12201202021787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100601010593 + 6100601010594.

It is an arithmetic number, because the mean of its divisors is an integer number (6100601010594).

Almost surely, 2^{12201202021187} is an apocalyptic number.

12201202021187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201202021187 is an equidigital number, since it uses as much as digits as its factorization.

12201202021187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 29.

The spelling of 12201202021187 in words is "twelve trillion, two hundred one billion, two hundred two million, twenty-one thousand, one hundred eighty-seven".