12020202011 has 2 divisors, whose sum is σ = 12020202012. Its totient is φ = 12020202010.

The previous prime is 12020201969. The next prime is 12020202031. The reversal of 12020202011 is 11020202021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12020202011 - 2¹⁰ = 12020200987 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 12020201983 and 12020202001.

It is not a weakly prime, because it can be changed into another prime (12020202031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010101005 + 6010101006.

It is an arithmetic number, because the mean of its divisors is an integer number (6010101006).

Almost surely, 2^12020202011 is an apocalyptic number.

12020202011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020202011 is an equidigital number, since it uses as much as digits as its factorization.

12020202011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12020202011 its reverse (11020202021), we get a palindrome (23040404032).

The spelling of 12020202011 in words is "twelve billion, twenty million, two hundred two thousand, eleven".