13230111232009 has 20 divisors (see below), whose sum is σ = 16342106234004. Its totient is φ = 10673030876928.

The previous prime is 13230111232001. The next prime is 13230111232061. The reversal of 13230111232009 is 90023211103231.

It can be written as a sum of positive squares in 2 ways, for example, as 5530751580025 + 7699359651984 = 2351755^2 + 2774772^2 .

It is not a de Polignac number, because 13230111232009 - 2³ = 13230111232001 is a prime.

It is a super-2 number, since 2×13230111232009² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13230111232001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 162025372 + ... + 162107005.

Almost surely, 2^{13230111232009} is an apocalyptic number.

It is an amenable number.

13230111232009 is a deficient number, since it is larger than the sum of its proper divisors (3111995001995).

13230111232009 is an frugal number, since it uses more digits than its factorization.

13230111232009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324132422 (or 324132401 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 13230111232009 in words is "thirteen trillion, two hundred thirty billion, one hundred eleven million, two hundred thirty-two thousand, nine".