12011112000020 has 96 divisors (see below), whose sum is σ = 29535303974400. Its totient is φ = 4016899676160.

The previous prime is 12011112000011. The next prime is 12011112000049. The reversal of 12011112000020 is 2000021111021.

It is a super-2 number, since 2×12011112000020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12011111999965 and 12011112000010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30796472 + ... + 31184048.

It is an arithmetic number, because the mean of its divisors is an integer number (307659416400).

Almost surely, 2^{12011112000020} is an apocalyptic number.

12011112000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12011112000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14767651987200).

12011112000020 is an abundant number, since it is smaller than the sum of its proper divisors (17524191974380).

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

12011112000020 is a wasteful number, since it uses less digits than its factorization.

12011112000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393033 (or 393031 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12011112000020 its reverse (2000021111021), we get a palindrome (14011133111041).

The spelling of 12011112000020 in words is "twelve trillion, eleven billion, one hundred twelve million, twenty", and thus it is an aban number.