12045043508 has 12 divisors (see below), whose sum is σ = 21367577700. Its totient is φ = 5940021312.

The previous prime is 12045043481. The next prime is 12045043511. The reversal of 12045043508 is 80534054021.

It can be written as a sum of positive squares in 2 ways, for example, as 5059761424 + 6985282084 = 71132^2 + 83578^2 .

It is a super-2 number, since 2×12045043508² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20624783 + ... + 20625366.

It is an arithmetic number, because the mean of its divisors is an integer number (1780631475).

Almost surely, 2^12045043508 is an apocalyptic number.

It is an amenable number.

12045043508 is a deficient number, since it is larger than the sum of its proper divisors (9322534192).

12045043508 is a wasteful number, since it uses less digits than its factorization.

12045043508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41250226 (or 41250224 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 12045043508 its reverse (80534054021), we get a palindrome (92579097529).

The spelling of 12045043508 in words is "twelve billion, forty-five million, forty-three thousand, five hundred eight".