12111201201211 has 32 divisors (see below), whose sum is σ = 14925527285760. Its totient is φ = 9597332026656.

The previous prime is 12111201201199. The next prime is 12111201201293. The reversal of 12111201201211 is 11210210211121.

It is a cyclic number.

It is not a de Polignac number, because 12111201201211 - 2¹⁷ = 12111201070139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12111201201811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5397595 + ... + 7304548.

It is an arithmetic number, because the mean of its divisors is an integer number (466422727680).

Almost surely, 2^{12111201201211} is an apocalyptic number.

12111201201211 is a deficient number, since it is larger than the sum of its proper divisors (2814326084549).

12111201201211 is a wasteful number, since it uses less digits than its factorization.

12111201201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12702343.

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

Adding to 12111201201211 its reverse (11210210211121), we get a palindrome (23321411412332).

The spelling of 12111201201211 in words is "twelve trillion, one hundred eleven billion, two hundred one million, two hundred one thousand, two hundred eleven".