12144004224 has 64 divisors (see below), whose sum is σ = 35190024480. Its totient is φ = 3680000000.

The previous prime is 12144004211. The next prime is 12144004231. The reversal of 12144004224 is 42240044121.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 12144004194 and 12144004203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1433277 + ... + 1441724.

Almost surely, 2^12144004224 is an apocalyptic number.

It is an amenable number.

12144004224 is an abundant number, since it is smaller than the sum of its proper divisors (23046020256).

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

12144004224 is a wasteful number, since it uses less digits than its factorization.

12144004224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875029 (or 2875017 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 12144004224 its reverse (42240044121), we get a palindrome (54384048345).

The spelling of 12144004224 in words is "twelve billion, one hundred forty-four million, four thousand, two hundred twenty-four".