12043435550512 has 20 divisors (see below), whose sum is σ = 23334434525656. Its totient is φ = 6021645995520.

The previous prime is 12043435550441. The next prime is 12043435550519. The reversal of 12043435550512 is 21505553434021.

It is not an unprimeable number, because it can be changed into a prime (12043435550519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3088833 + ... + 5798944.

Almost surely, 2^{12043435550512} is an apocalyptic number.

It is an amenable number.

12043435550512 is a deficient number, since it is larger than the sum of its proper divisors (11290998975144).

12043435550512 is an equidigital number, since it uses as much as digits as its factorization.

12043435550512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8972476 (or 8972470 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 12043435550512 its reverse (21505553434021), we get a palindrome (33548988984533).

The spelling of 12043435550512 in words is "twelve trillion, forty-three billion, four hundred thirty-five million, five hundred fifty thousand, five hundred twelve".