12020020211011 has 8 divisors (see below), whose sum is σ = 12111557132880. Its totient is φ = 11928538355328.

The previous prime is 12020020210973. The next prime is 12020020211057. The reversal of 12020020211011 is 11011202002021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12020020211011 - 2⁷ = 12020020210883 is a prime.

It is a super-2 number, since 2×12020020211011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020020210982 and 12020020211000.

It is not an unprimeable number, because it can be changed into a prime (12020020811011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13328266 + ... + 14201503.

It is an arithmetic number, because the mean of its divisors is an integer number (1513944641610).

Almost surely, 2^{12020020211011} is an apocalyptic number.

12020020211011 is a deficient number, since it is larger than the sum of its proper divisors (91536921869).

12020020211011 is a wasteful number, since it uses less digits than its factorization.

12020020211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27533093.

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

Adding to 12020020211011 its reverse (11011202002021), we get a palindrome (23031222213032).

The spelling of 12020020211011 in words is "twelve trillion, twenty billion, twenty million, two hundred eleven thousand, eleven".