12131422144 has 28 divisors (see below), whose sum is σ = 24232735888. Its totient is φ = 6025536000.

The previous prime is 12131422117. The next prime is 12131422213. The reversal of 12131422144 is 44122413121.

12131422144 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 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, 617997 + ... + 637324.

Almost surely, 2^12131422144 is an apocalyptic number.

It is an amenable number.

12131422144 is a deficient number, since it is larger than the sum of its proper divisors (12101313744).

12131422144 is a wasteful number, since it uses less digits than its factorization.

12131422144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255484 (or 1255474 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

Adding to 12131422144 its reverse (44122413121), we get a palindrome (56253835265).

The spelling of 12131422144 in words is "twelve billion, one hundred thirty-one million, four hundred twenty-two thousand, one hundred forty-four".