12201012221243 has 2 divisors, whose sum is σ = 12201012221244. Its totient is φ = 12201012221242.

The previous prime is 12201012221197. The next prime is 12201012221269. The reversal of 12201012221243 is 34212221010221.

It is a strong prime.

It is an emirp because it is prime and its reverse (34212221010221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12201012221243 - 2¹⁶ = 12201012155707 is a prime.

It is not a weakly prime, because it can be changed into another prime (12201012223243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100506110621 + 6100506110622.

It is an arithmetic number, because the mean of its divisors is an integer number (6100506110622).

Almost surely, 2^{12201012221243} is an apocalyptic number.

12201012221243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201012221243 is an equidigital number, since it uses as much as digits as its factorization.

12201012221243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12201012221243 its reverse (34212221010221), we get a palindrome (46413233231464).

The spelling of 12201012221243 in words is "twelve trillion, two hundred one billion, twelve million, two hundred twenty-one thousand, two hundred forty-three".