12003442112420 has 96 divisors (see below), whose sum is σ = 29944241308800. Its totient is φ = 3992565427200.

The previous prime is 12003442112413. The next prime is 12003442112429. The reversal of 12003442112420 is 2421124430021.

It is a self number, because there is not a number n which added to its sum of digits gives 12003442112420.

It is not an unprimeable number, because it can be changed into a prime (12003442112429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49389761 + ... + 49632200.

It is an arithmetic number, because the mean of its divisors is an integer number (311919180300).

Almost surely, 2^{12003442112420} is an apocalyptic number.

12003442112420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003442112420 is an abundant number, since it is smaller than the sum of its proper divisors (17940799196380).

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

12003442112420 is a wasteful number, since it uses less digits than its factorization.

12003442112420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99022029 (or 99022027 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 12003442112420 its reverse (2421124430021), we get a palindrome (14424566542441).

The spelling of 12003442112420 in words is "twelve trillion, three billion, four hundred forty-two million, one hundred twelve thousand, four hundred twenty".