12043021104 has 120 divisors (see below), whose sum is σ = 35792493360. Its totient is φ = 3769307136.

The previous prime is 12043021097. The next prime is 12043021121. The reversal of 12043021104 is 40112034021.

12043021104 is a `hidden beast` number, since 1 + 20 + 430 + 211 + 0 + 4 = 666.

It is a super-2 number, since 2×12043021104² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289692 + ... + 328644.

It is an arithmetic number, because the mean of its divisors is an integer number (298270778).

Almost surely, 2^12043021104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12043021104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17896246680).

12043021104 is an abundant number, since it is smaller than the sum of its proper divisors (23749472256).

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

12043021104 is a wasteful number, since it uses less digits than its factorization.

12043021104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39099 (or 39090 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12043021104 its reverse (40112034021), we get a palindrome (52155055125).

The spelling of 12043021104 in words is "twelve billion, forty-three million, twenty-one thousand, one hundred four".