12000111000020 has 48 divisors (see below), whose sum is σ = 29605868264448. Its totient is φ = 4028009285760.

The previous prime is 12000110999999. The next prime is 12000111000037. The reversal of 12000111000020 is 2000011100021.

It is a junction number, because it is equal to n+sod(n) for n = 12000110999971 and 12000111000007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2097918644 + ... + 2097924363.

It is an arithmetic number, because the mean of its divisors is an integer number (616788922176).

Almost surely, 2^{12000111000020} is an apocalyptic number.

12000111000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000111000020 is an abundant number, since it is smaller than the sum of its proper divisors (17605757264428).

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

12000111000020 is a wasteful number, since it uses less digits than its factorization.

12000111000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195843040 (or 4195843038 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12000111000020 its reverse (2000011100021), we get a palindrome (14000122100041).

The spelling of 12000111000020 in words is "twelve trillion, one hundred eleven million, twenty", and thus it is an aban number.