12003003011120 has 320 divisors, whose sum is σ = 31763389870080. Its totient is φ = 4178710425600.

The previous prime is 12003003011107. The next prime is 12003003011201. The reversal of 12003003011120 is 2111030030021.

It is a junction number, because it is equal to n+sod(n) for n = 12003003011095 and 12003003011104.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2179587407 + ... + 2179592913.

It is an arithmetic number, because the mean of its divisors is an integer number (99260593344).

Almost surely, 2^{12003003011120} is an apocalyptic number.

12003003011120 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 12003003011120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15881694935040).

12003003011120 is an abundant number, since it is smaller than the sum of its proper divisors (19760386858960).

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

12003003011120 is a wasteful number, since it uses less digits than its factorization.

12003003011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404 (or 6398 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12003003011120 its reverse (2111030030021), we get a palindrome (14114033041141).

The spelling of 12003003011120 in words is "twelve trillion, three billion, three million, eleven thousand, one hundred twenty".