13012433443321 has 16 divisors (see below), whose sum is σ = 14024065475728. Its totient is φ = 12002328576000.

The previous prime is 13012433443291. The next prime is 13012433443369. The reversal of 13012433443321 is 12334433421031.

It can be written as a sum of positive squares in 8 ways, for example, as 185033324025 + 12827400119296 = 430155^2 + 3581536^2 .

It is a cyclic number.

It is not a de Polignac number, because 13012433443321 - 2¹⁵ = 13012433410553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13012433443381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169392121 + ... + 169468921.

It is an arithmetic number, because the mean of its divisors is an integer number (876504092233).

Almost surely, 2^{13012433443321} is an apocalyptic number.

It is an amenable number.

13012433443321 is a deficient number, since it is larger than the sum of its proper divisors (1011632032407).

13012433443321 is a wasteful number, since it uses less digits than its factorization.

13012433443321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86572.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 13012433443321 its reverse (12334433421031), we get a palindrome (25346866864352).

The spelling of 13012433443321 in words is "thirteen trillion, twelve billion, four hundred thirty-three million, four hundred forty-three thousand, three hundred twenty-one".