12020102012011 has 4 divisors (see below), whose sum is σ = 12542715142992. Its totient is φ = 11497488881032.

The previous prime is 12020102011991. The next prime is 12020102012021. The reversal of 12020102012011 is 11021020102021.

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 12020102012011 - 2²³ = 12020093623403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020102011982 and 12020102012000.

It is not an unprimeable number, because it can be changed into a prime (12020102012021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261306565456 + ... + 261306565501.

It is an arithmetic number, because the mean of its divisors is an integer number (3135678785748).

Almost surely, 2^{12020102012011} is an apocalyptic number.

12020102012011 is a deficient number, since it is larger than the sum of its proper divisors (522613130981).

12020102012011 is an equidigital number, since it uses as much as digits as its factorization.

12020102012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522613130980.

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

Adding to 12020102012011 its reverse (11021020102021), we get a palindrome (23041122114032).

The spelling of 12020102012011 in words is "twelve trillion, twenty billion, one hundred two million, twelve thousand, eleven".