12001033131220 has 24 divisors (see below), whose sum is σ = 28802479515264. Its totient is φ = 4114639930656.

The previous prime is 12001033131203. The next prime is 12001033131229. The reversal of 12001033131220 is 2213133010021.

It is a super-3 number, since 3×12001033131220³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001033131229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42860832472 + ... + 42860832751.

It is an arithmetic number, because the mean of its divisors is an integer number (1200103313136).

Almost surely, 2^{12001033131220} is an apocalyptic number.

12001033131220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001033131220 is an abundant number, since it is smaller than the sum of its proper divisors (16801446384044).

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

12001033131220 is a wasteful number, since it uses less digits than its factorization.

12001033131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85721665239 (or 85721665237 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12001033131220 its reverse (2213133010021), we get a palindrome (14214166141241).

The spelling of 12001033131220 in words is "twelve trillion, one billion, thirty-three million, one hundred thirty-one thousand, two hundred twenty".