12003441672 has 128 divisors (see below), whose sum is σ = 32435251200. Its totient is φ = 3689779968.

The previous prime is 12003441623. The next prime is 12003441773. The reversal of 12003441672 is 27614430021.

It is a super-2 number, since 2×12003441672² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4220683 + ... + 4223525.

It is an arithmetic number, because the mean of its divisors is an integer number (253400400).

Almost surely, 2^12003441672 is an apocalyptic number.

12003441672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12003441672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16217625600).

12003441672 is an abundant number, since it is smaller than the sum of its proper divisors (20431809528).

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

12003441672 is a wasteful number, since it uses less digits than its factorization.

12003441672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115 (or 3111 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 12003441672 its reverse (27614430021), we get a palindrome (39617871693).

The spelling of 12003441672 in words is "twelve billion, three million, four hundred forty-one thousand, six hundred seventy-two".