12201233331211 has 4 divisors (see below), whose sum is σ = 12218203058400. Its totient is φ = 12184263604024.

The previous prime is 12201233331197. The next prime is 12201233331227. The reversal of 12201233331211 is 11213333210221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12201233331211 - 2²⁹ = 12200696460299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201233331281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8484862516 + ... + 8484863953.

It is an arithmetic number, because the mean of its divisors is an integer number (3054550764600).

Almost surely, 2^{12201233331211} is an apocalyptic number.

12201233331211 is a deficient number, since it is larger than the sum of its proper divisors (16969727189).

12201233331211 is an equidigital number, since it uses as much as digits as its factorization.

12201233331211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16969727188.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12201233331211 its reverse (11213333210221), we get a palindrome (23414566541432).

The spelling of 12201233331211 in words is "twelve trillion, two hundred one billion, two hundred thirty-three million, three hundred thirty-one thousand, two hundred eleven".