1320043030009 has 12 divisors (see below), whose sum is σ = 1470832513108. Its totient is φ = 1183600218240.

The previous prime is 1320043030001. The next prime is 1320043030057. The reversal of 1320043030009 is 9000303400231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 358411755625 + 961631274384 = 598675^2 + 980628^2 .

It is not a de Polignac number, because 1320043030009 - 2³ = 1320043030001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320043030001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74713404 + ... + 74731069.

Almost surely, 2^{1320043030009} is an apocalyptic number.

It is an amenable number.

1320043030009 is a deficient number, since it is larger than the sum of its proper divisors (150789483099).

1320043030009 is a wasteful number, since it uses less digits than its factorization.

1320043030009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149444568 (or 149444557 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The spelling of 1320043030009 in words is "one trillion, three hundred twenty billion, forty-three million, thirty thousand, nine".