12012222331211 has 2 divisors, whose sum is σ = 12012222331212. Its totient is φ = 12012222331210.

The previous prime is 12012222331201. The next prime is 12012222331253. The reversal of 12012222331211 is 11213322221021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012222331211 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012222331201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006111165605 + 6006111165606.

It is an arithmetic number, because the mean of its divisors is an integer number (6006111165606).

Almost surely, 2^{12012222331211} is an apocalyptic number.

12012222331211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012222331211 is an equidigital number, since it uses as much as digits as its factorization.

12012222331211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12012222331211 its reverse (11213322221021), we get a palindrome (23225544552232).

The spelling of 12012222331211 in words is "twelve trillion, twelve billion, two hundred twenty-two million, three hundred thirty-one thousand, two hundred eleven".