12120120011 has 2 divisors, whose sum is σ = 12120120012. Its totient is φ = 12120120010.

The previous prime is 12120119953. The next prime is 12120120049. The reversal of 12120120011 is 11002102121.

It is a strong prime.

It is an emirp because it is prime and its reverse (11002102121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12120120011 - 2¹⁰ = 12120118987 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 12120119974 and 12120120001.

It is not a weakly prime, because it can be changed into another prime (12120120091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060060005 + 6060060006.

It is an arithmetic number, because the mean of its divisors is an integer number (6060060006).

Almost surely, 2^12120120011 is an apocalyptic number.

12120120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120120011 is an equidigital number, since it uses as much as digits as its factorization.

12120120011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12120120011 its reverse (11002102121), we get a palindrome (23122222132).

The spelling of 12120120011 in words is "twelve billion, one hundred twenty million, one hundred twenty thousand, eleven".