12000442507 has 4 divisors (see below), whose sum is σ = 12169462896. Its totient is φ = 11831422120.

The previous prime is 12000442463. The next prime is 12000442513. The reversal of 12000442507 is 70524400021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000442507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000442547) 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, 84510088 + ... + 84510229.

It is an arithmetic number, because the mean of its divisors is an integer number (3042365724).

Almost surely, 2^12000442507 is an apocalyptic number.

12000442507 is a deficient number, since it is larger than the sum of its proper divisors (169020389).

12000442507 is an equidigital number, since it uses as much as digits as its factorization.

12000442507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169020388.

The product of its (nonzero) digits is 2240, while the sum is 25.

Adding to 12000442507 its reverse (70524400021), we get a palindrome (82524842528).

The spelling of 12000442507 in words is "twelve billion, four hundred forty-two thousand, five hundred seven".