12002021040424 has 32 divisors (see below), whose sum is σ = 23830372912320. Its totient is φ = 5647338816256.

The previous prime is 12002021040421. The next prime is 12002021040431. The reversal of 12002021040424 is 42404012020021.

It is a junction number, because it is equal to n+sod(n) for n = 12002021040395 and 12002021040404.

It is not an unprimeable number, because it can be changed into a prime (12002021040421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4093114 + ... + 6384169.

It is an arithmetic number, because the mean of its divisors is an integer number (744699153510).

Almost surely, 2^{12002021040424} is an apocalyptic number.

It is an amenable number.

12002021040424 is a deficient number, since it is larger than the sum of its proper divisors (11828351871896).

12002021040424 is a wasteful number, since it uses less digits than its factorization.

12002021040424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10485729 (or 10485725 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 12002021040424 its reverse (42404012020021), we get a palindrome (54406033060445).

The spelling of 12002021040424 in words is "twelve trillion, two billion, twenty-one million, forty thousand, four hundred twenty-four".