12120201211 has 2 divisors, whose sum is σ = 12120201212. Its totient is φ = 12120201210.

The previous prime is 12120201199. The next prime is 12120201229. The reversal of 12120201211 is 11210202121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12120201211 - 2⁹ = 12120200699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12120201191 and 12120201200.

It is not a weakly prime, because it can be changed into another prime (12120201311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060100605 + 6060100606.

It is an arithmetic number, because the mean of its divisors is an integer number (6060100606).

Almost surely, 2^12120201211 is an apocalyptic number.

12120201211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120201211 is an equidigital number, since it uses as much as digits as its factorization.

12120201211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12120201211 its reverse (11210202121), we get a palindrome (23330403332).

The spelling of 12120201211 in words is "twelve billion, one hundred twenty million, two hundred one thousand, two hundred eleven".