12120111000211 has 2 divisors, whose sum is σ = 12120111000212. Its totient is φ = 12120111000210.

The previous prime is 12120111000191. The next prime is 12120111000227. The reversal of 12120111000211 is 11200011102121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12120111000211 - 2¹⁹ = 12120110475923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12120111000191 and 12120111000200.

It is not a weakly prime, because it can be changed into another prime (12120111000281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060055500105 + 6060055500106.

It is an arithmetic number, because the mean of its divisors is an integer number (6060055500106).

Almost surely, 2^{12120111000211} is an apocalyptic number.

12120111000211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120111000211 is an equidigital number, since it uses as much as digits as its factorization.

12120111000211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12120111000211 its reverse (11200011102121), we get a palindrome (23320122102332).

The spelling of 12120111000211 in words is "twelve trillion, one hundred twenty billion, one hundred eleven million, two hundred eleven", and thus it is an aban number.