12045313432 has 16 divisors (see below), whose sum is σ = 22597916760. Its totient is φ = 6019202304.

The previous prime is 12045313403. The next prime is 12045313447. The reversal of 12045313432 is 23431354021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12045313432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416953 + ... + 444904.

Almost surely, 2^12045313432 is an apocalyptic number.

It is an amenable number.

12045313432 is a deficient number, since it is larger than the sum of its proper divisors (10552603328).

12045313432 is a wasteful number, since it uses less digits than its factorization.

12045313432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863610 (or 863606 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 12045313432 its reverse (23431354021), we get a palindrome (35476667453).

The spelling of 12045313432 in words is "twelve billion, forty-five million, three hundred thirteen thousand, four hundred thirty-two".