12201202021243 has 2 divisors, whose sum is σ = 12201202021244. Its totient is φ = 12201202021242.

The previous prime is 12201202021187. The next prime is 12201202021271. The reversal of 12201202021243 is 34212020210221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12201202021243 - 2⁹ = 12201202020731 is a prime.

It is not a weakly prime, because it can be changed into another prime (12201202021543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100601010621 + 6100601010622.

It is an arithmetic number, because the mean of its divisors is an integer number (6100601010622).

Almost surely, 2^{12201202021243} is an apocalyptic number.

12201202021243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201202021243 is an equidigital number, since it uses as much as digits as its factorization.

12201202021243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12201202021243 its reverse (34212020210221), we get a palindrome (46413222231464).

The spelling of 12201202021243 in words is "twelve trillion, two hundred one billion, two hundred two million, twenty-one thousand, two hundred forty-three".