2144504431012 has 12 divisors (see below), whose sum is σ = 3778069887900. Its totient is φ = 1065055891616.

The previous prime is 2144504430979. The next prime is 2144504431033. The reversal of 2144504431012 is 2101344054412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 495863838976 + 1648640592036 = 704176^2 + 1283994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1799080303 + ... + 1799081494.

It is an arithmetic number, because the mean of its divisors is an integer number (314839157325).

Almost surely, 2^{2144504431012} is an apocalyptic number.

It is an amenable number.

2144504431012 is a deficient number, since it is larger than the sum of its proper divisors (1633565456888).

2144504431012 is a wasteful number, since it uses less digits than its factorization.

2144504431012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598161950 (or 3598161948 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 2144504431012 its reverse (2101344054412), we get a palindrome (4245848485424).

The spelling of 2144504431012 in words is "two trillion, one hundred forty-four billion, five hundred four million, four hundred thirty-one thousand, twelve".