12145284752 has 40 divisors (see below), whose sum is σ = 23722440000. Its totient is φ = 6023521152.

The previous prime is 12145284677. The next prime is 12145284791. The reversal of 12145284752 is 25748254121.

12145284752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 1328774 + ... + 1337882.

It is an arithmetic number, because the mean of its divisors is an integer number (593061000).

Almost surely, 2^12145284752 is an apocalyptic number.

It is an amenable number.

12145284752 is a deficient number, since it is larger than the sum of its proper divisors (11577155248).

12145284752 is a wasteful number, since it uses less digits than its factorization.

12145284752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9783 (or 9777 counting only the distinct ones).

The product of its digits is 179200, while the sum is 41.

The spelling of 12145284752 in words is "twelve billion, one hundred forty-five million, two hundred eighty-four thousand, seven hundred fifty-two".