12000112001220 has 96 divisors (see below), whose sum is σ = 38448540603648. Its totient is φ = 2739441157632.

The previous prime is 12000112001191. The next prime is 12000112001261. The reversal of 12000112001220 is 2210021100021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12000112001196 and 12000112001205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17589787 + ... + 18259266.

It is an arithmetic number, because the mean of its divisors is an integer number (400505631288).

Almost surely, 2^{12000112001220} is an apocalyptic number.

12000112001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000112001220 is an abundant number, since it is smaller than the sum of its proper divisors (26448428602428).

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

12000112001220 is a wasteful number, since it uses less digits than its factorization.

12000112001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35849869 (or 35849867 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12000112001220 its reverse (2210021100021), we get a palindrome (14210133101241).

The spelling of 12000112001220 in words is "twelve trillion, one hundred twelve million, one thousand, two hundred twenty".