12012110011211 has 2 divisors, whose sum is σ = 12012110011212. Its totient is φ = 12012110011210.

The previous prime is 12012110011199. The next prime is 12012110011229. The reversal of 12012110011211 is 11211001121021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012110011211 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012110011241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006055005605 + 6006055005606.

It is an arithmetic number, because the mean of its divisors is an integer number (6006055005606).

Almost surely, 2^{12012110011211} is an apocalyptic number.

12012110011211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012110011211 is an equidigital number, since it uses as much as digits as its factorization.

12012110011211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12012110011211 its reverse (11211001121021), we get a palindrome (23223111132232).

The spelling of 12012110011211 in words is "twelve trillion, twelve billion, one hundred ten million, eleven thousand, two hundred eleven".