12201201211 has 2 divisors, whose sum is σ = 12201201212. Its totient is φ = 12201201210.

The previous prime is 12201201209. The next prime is 12201201241. The reversal of 12201201211 is 11210210221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12201201211 - 2¹ = 12201201209 is a prime.

Together with 12201201209, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12201201191 and 12201201200.

It is not a weakly prime, because it can be changed into another prime (12201201241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100600605 + 6100600606.

It is an arithmetic number, because the mean of its divisors is an integer number (6100600606).

Almost surely, 2^12201201211 is an apocalyptic number.

12201201211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201201211 is an equidigital number, since it uses as much as digits as its factorization.

12201201211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12201201211 its reverse (11210210221), we get a palindrome (23411411432).

The spelling of 12201201211 in words is "twelve billion, two hundred one million, two hundred one thousand, two hundred eleven".