12125445504 has 32 divisors (see below), whose sum is σ = 32208215640. Its totient is φ = 4041815040.

The previous prime is 12125445499. The next prime is 12125445511. The reversal of 12125445504 is 40554452121.

It is a happy number.

12125445504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15787957 + ... + 15788724.

Almost surely, 2^12125445504 is an apocalyptic number.

It is an amenable number.

12125445504 is an abundant number, since it is smaller than the sum of its proper divisors (20082770136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12125445504 is an equidigital number, since it uses as much as digits as its factorization.

12125445504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31576698 (or 31576686 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 12125445504 its reverse (40554452121), we get a palindrome (52679897625).

The spelling of 12125445504 in words is "twelve billion, one hundred twenty-five million, four hundred forty-five thousand, five hundred four".