12011031330020 has 12 divisors (see below), whose sum is σ = 25223165793084. Its totient is φ = 4804412532000.

The previous prime is 12011031330013. The next prime is 12011031330037. The reversal of 12011031330020 is 2003313011021.

It can be written as a sum of positive squares in 2 ways, for example, as 3605160423076 + 8405870906944 = 1898726^2 + 2899288^2 .

It is a super-2 number, since 2×12011031330020² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300275783231 + ... + 300275783270.

It is an arithmetic number, because the mean of its divisors is an integer number (2101930482757).

Almost surely, 2^{12011031330020} is an apocalyptic number.

12011031330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011031330020 is an abundant number, since it is smaller than the sum of its proper divisors (13212134463064).

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

12011031330020 is a wasteful number, since it uses less digits than its factorization.

12011031330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600551566510 (or 600551566508 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12011031330020 its reverse (2003313011021), we get a palindrome (14014344341041).

The spelling of 12011031330020 in words is "twelve trillion, eleven billion, thirty-one million, three hundred thirty thousand, twenty".