12311200211321 has 16 divisors (see below), whose sum is σ = 14175784642560. Its totient is φ = 10574056619280.

The previous prime is 12311200211309. The next prime is 12311200211357.

12311200211321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12311200211321 - 2¹⁰ = 12311200210297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12311200211293 and 12311200211302.

It is not an unprimeable number, because it can be changed into a prime (12311200211221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80175701 + ... + 80329106.

It is an arithmetic number, because the mean of its divisors is an integer number (885986540160).

Almost surely, 2^{12311200211321} is an apocalyptic number.

12311200211321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12311200211321 is a deficient number, since it is larger than the sum of its proper divisors (1864584431239).

12311200211321 is a wasteful number, since it uses less digits than its factorization.

12311200211321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160505204.

The product of its (nonzero) digits is 144, while the sum is 20.

It can be divided in two parts, 12311200 and 211321, that added together give a palindrome (12522521).

The spelling of 12311200211321 in words is "twelve trillion, three hundred eleven billion, two hundred million, two hundred eleven thousand, three hundred twenty-one".