12003001112020 has 24 divisors (see below), whose sum is σ = 25887553751304. Its totient is φ = 4671438270336.

The previous prime is 12003001111999. The next prime is 12003001112071. The reversal of 12003001112020 is 2021110030021.

It can be written as a sum of positive squares in 4 ways, for example, as 5136777470916 + 6866223641104 = 2266446^2 + 2620348^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8110135147 + ... + 8110136626.

It is an arithmetic number, because the mean of its divisors is an integer number (1078648072971).

Almost surely, 2^{12003001112020} is an apocalyptic number.

12003001112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003001112020 is an abundant number, since it is smaller than the sum of its proper divisors (13884552639284).

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

12003001112020 is a wasteful number, since it uses less digits than its factorization.

12003001112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16220271819 (or 16220271817 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12003001112020 its reverse (2021110030021), we get a palindrome (14024111142041).

The spelling of 12003001112020 in words is "twelve trillion, three billion, one million, one hundred twelve thousand, twenty".