12011120111020 has 12 divisors (see below), whose sum is σ = 25223352233184. Its totient is φ = 4804448044400.

The previous prime is 12011120111017. The next prime is 12011120111047. The reversal of 12011120111020 is 2011102111021.

It is a happy number.

12011120111020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300278002756 + ... + 300278002795.

It is an arithmetic number, because the mean of its divisors is an integer number (2101946019432).

Almost surely, 2^{12011120111020} is an apocalyptic number.

12011120111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011120111020 is an abundant number, since it is smaller than the sum of its proper divisors (13212232122164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12011120111020 is a wasteful number, since it uses less digits than its factorization.

12011120111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600556005560 (or 600556005558 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12011120111020 its reverse (2011102111021), we get a palindrome (14022222222041).

The spelling of 12011120111020 in words is "twelve trillion, eleven billion, one hundred twenty million, one hundred eleven thousand, twenty".