12020120220011 has 4 divisors (see below), whose sum is σ = 12087271729800. Its totient is φ = 11952968710224.

The previous prime is 12020120219993. The next prime is 12020120220013. The reversal of 12020120220011 is 11002202102021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020120220011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020120220013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33575754626 + ... + 33575754983.

It is an arithmetic number, because the mean of its divisors is an integer number (3021817932450).

Almost surely, 2^{12020120220011} is an apocalyptic number.

12020120220011 is a deficient number, since it is larger than the sum of its proper divisors (67151509789).

12020120220011 is an equidigital number, since it uses as much as digits as its factorization.

12020120220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67151509788.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12020120220011 its reverse (11002202102021), we get a palindrome (23022322322032).

The spelling of 12020120220011 in words is "twelve trillion, twenty billion, one hundred twenty million, two hundred twenty thousand, eleven".