12001400144 has 40 divisors (see below), whose sum is σ = 23711256192. Its totient is φ = 5883523200.

The previous prime is 12001400143. The next prime is 12001400149. The reversal of 12001400144 is 44100410021.

12001400144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001400143) by changing a digit.

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, 130397 + ... + 202499.

Almost surely, 2^12001400144 is an apocalyptic number.

It is an amenable number.

12001400144 is a deficient number, since it is larger than the sum of its proper divisors (11709856048).

12001400144 is a wasteful number, since it uses less digits than its factorization.

12001400144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72315 (or 72309 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12001400144 its reverse (44100410021), we get a palindrome (56101810165).

The spelling of 12001400144 in words is "twelve billion, one million, four hundred thousand, one hundred forty-four".