12049531448 has 16 divisors (see below), whose sum is σ = 22597078680. Its totient is φ = 6023643808.

The previous prime is 12049531447. The next prime is 12049531463. The reversal of 12049531448 is 84413594021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12049531441) 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, 93686 + ... + 181317.

Almost surely, 2^12049531448 is an apocalyptic number.

It is an amenable number.

12049531448 is a deficient number, since it is larger than the sum of its proper divisors (10547547232).

12049531448 is a wasteful number, since it uses less digits than its factorization.

12049531448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280486 (or 280482 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 12049531448 in words is "twelve billion, forty-nine million, five hundred thirty-one thousand, four hundred forty-eight".