12020021120011 has 16 divisors (see below), whose sum is σ = 12999200505984. Its totient is φ = 11071126488064.

The previous prime is 12020021119927. The next prime is 12020021120039. The reversal of 12020021120011 is 11002112002021.

It is not a de Polignac number, because 12020021120011 - 2²³ = 12020012731403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020021119973 and 12020021120000.

It is not an unprimeable number, because it can be changed into a prime (12020021120411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7091601 + ... + 8621533.

It is an arithmetic number, because the mean of its divisors is an integer number (812450031624).

Almost surely, 2^{12020021120011} is an apocalyptic number.

12020021120011 is a deficient number, since it is larger than the sum of its proper divisors (979179385973).

12020021120011 is a wasteful number, since it uses less digits than its factorization.

12020021120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539830.

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

Adding to 12020021120011 its reverse (11002112002021), we get a palindrome (23022133122032).

The spelling of 12020021120011 in words is "twelve trillion, twenty billion, twenty-one million, one hundred twenty thousand, eleven".