12133044424 has 16 divisors (see below), whose sum is σ = 23061095820. Its totient is φ = 5983418880.

The previous prime is 12133044419. The next prime is 12133044437. The reversal of 12133044424 is 42444033121.

It can be written as a sum of positive squares in 2 ways, for example, as 11861388100 + 271656324 = 108910^2 + 16482^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12133044392 and 12133044401.

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, 10387297 + ... + 10388464.

Almost surely, 2^12133044424 is an apocalyptic number.

It is an amenable number.

12133044424 is a deficient number, since it is larger than the sum of its proper divisors (10928051396).

12133044424 is a wasteful number, since it uses less digits than its factorization.

12133044424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20775840 (or 20775836 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12133044424 its reverse (42444033121), we get a palindrome (54577077545).

The spelling of 12133044424 in words is "twelve billion, one hundred thirty-three million, forty-four thousand, four hundred twenty-four".