12020120010011 has 4 divisors (see below), whose sum is σ = 12020132389224. Its totient is φ = 12020107630800.

The previous prime is 12020120010007. The next prime is 12020120010043. The reversal of 12020120010011 is 11001002102021.

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

It is a cyclic number.

It is not a de Polignac number, because 12020120010011 - 2² = 12020120010007 is a prime.

It is a super-3 number, since 3×12020120010011³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020120009974 and 12020120010001.

It is not an unprimeable number, because it can be changed into a prime (12020120010061) 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, 4596425 + ... + 6720666.

It is an arithmetic number, because the mean of its divisors is an integer number (3005033097306).

Almost surely, 2^{12020120010011} is an apocalyptic number.

12020120010011 is a deficient number, since it is larger than the sum of its proper divisors (12379213).

12020120010011 is a wasteful number, since it uses less digits than its factorization.

12020120010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12379212.

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

Adding to 12020120010011 its reverse (11001002102021), we get a palindrome (23021122112032).

The spelling of 12020120010011 in words is "twelve trillion, twenty billion, one hundred twenty million, ten thousand, eleven".