12120020110011 has 32 divisors (see below), whose sum is σ = 17832814661376. Its totient is φ = 7261030400000.

The previous prime is 12120020109973. The next prime is 12120020110019. The reversal of 12120020110011 is 11001102002121.

It is a cyclic number.

It is not a de Polignac number, because 12120020110011 - 2²¹ = 12120018012859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12120020110019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4343490 + ... + 6565511.

It is an arithmetic number, because the mean of its divisors is an integer number (557275458168).

Almost surely, 2^{12120020110011} is an apocalyptic number.

12120020110011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12120020110011 is a deficient number, since it is larger than the sum of its proper divisors (5712794551365).

12120020110011 is a wasteful number, since it uses less digits than its factorization.

12120020110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10909403.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12120020110011 its reverse (11001102002121), we get a palindrome (23121122112132).

The spelling of 12120020110011 in words is "twelve trillion, one hundred twenty billion, twenty million, one hundred ten thousand, eleven".