12013023230321 has 16 divisors (see below), whose sum is σ = 12990957707520. Its totient is φ = 11065255898880.

The previous prime is 12013023230303. The next prime is 12013023230333. The reversal of 12013023230321 is 12303232031021.

It is a cyclic number.

It is not a de Polignac number, because 12013023230321 - 2¹⁰ = 12013023229297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12013023230921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15922106 + ... + 16659516.

It is an arithmetic number, because the mean of its divisors is an integer number (811934856720).

Almost surely, 2^{12013023230321} is an apocalyptic number.

It is an amenable number.

12013023230321 is a deficient number, since it is larger than the sum of its proper divisors (977934477199).

12013023230321 is a wasteful number, since it uses less digits than its factorization.

12013023230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757864.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12013023230321 its reverse (12303232031021), we get a palindrome (24316255261342).

The spelling of 12013023230321 in words is "twelve trillion, thirteen billion, twenty-three million, two hundred thirty thousand, three hundred twenty-one".