12120110212211 has 2 divisors, whose sum is σ = 12120110212212. Its totient is φ = 12120110212210.

The previous prime is 12120110212207. The next prime is 12120110212229. The reversal of 12120110212211 is 11221201102121.

It is a weak prime.

It is an emirp because it is prime and its reverse (11221201102121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12120110212211 - 2² = 12120110212207 is a prime.

It is a super-2 number, since 2×12120110212211² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12120110212211.

It is not a weakly prime, because it can be changed into another prime (12120110212711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060055106105 + 6060055106106.

It is an arithmetic number, because the mean of its divisors is an integer number (6060055106106).

Almost surely, 2^{12120110212211} is an apocalyptic number.

12120110212211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120110212211 is an equidigital number, since it uses as much as digits as its factorization.

12120110212211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12120110212211 its reverse (11221201102121), we get a palindrome (23341311314332).

The spelling of 12120110212211 in words is "twelve trillion, one hundred twenty billion, one hundred ten million, two hundred twelve thousand, two hundred eleven".