12120202101211 has 2 divisors, whose sum is σ = 12120202101212. Its totient is φ = 12120202101210.

The previous prime is 12120202101127. The next prime is 12120202101223. The reversal of 12120202101211 is 11210120202121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120202101211 is a prime.

It is not a weakly prime, because it can be changed into another prime (12120202101011) 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, 6060101050605 + 6060101050606.

It is an arithmetic number, because the mean of its divisors is an integer number (6060101050606).

Almost surely, 2^{12120202101211} is an apocalyptic number.

12120202101211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120202101211 is an equidigital number, since it uses as much as digits as its factorization.

12120202101211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12120202101211 its reverse (11210120202121), we get a palindrome (23330322303332).

The spelling of 12120202101211 in words is "twelve trillion, one hundred twenty billion, two hundred two million, one hundred one thousand, two hundred eleven".