12120212211011 has 2 divisors, whose sum is σ = 12120212211012. Its totient is φ = 12120212211010.

The previous prime is 12120212210993. The next prime is 12120212211083. The reversal of 12120212211011 is 11011221202121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120212211011 is a prime.

It is not a weakly prime, because it can be changed into another prime (12126212211011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060106105505 + 6060106105506.

It is an arithmetic number, because the mean of its divisors is an integer number (6060106105506).

Almost surely, 2^{12120212211011} is an apocalyptic number.

12120212211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120212211011 is an equidigital number, since it uses as much as digits as its factorization.

12120212211011 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 17.

Adding to 12120212211011 its reverse (11011221202121), we get a palindrome (23131433413132).

The spelling of 12120212211011 in words is "twelve trillion, one hundred twenty billion, two hundred twelve million, two hundred eleven thousand, eleven".