12312203301321 has 32 divisors (see below), whose sum is σ = 20884733952000. Its totient is φ = 6395949761040.

The previous prime is 12312203301199. The next prime is 12312203301337. The reversal of 12312203301321 is 12310330221321.

It is not a de Polignac number, because 12312203301321 - 2¹⁴ = 12312203284937 is a prime.

It is a super-2 number, since 2×12312203301321² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12312203301291 and 12312203301300.

It is not an unprimeable number, because it can be changed into a prime (12312203351321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 543861961 + ... + 543884598.

It is an arithmetic number, because the mean of its divisors is an integer number (652647936000).

Almost surely, 2^{12312203301321} is an apocalyptic number.

12312203301321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12312203301321 is a deficient number, since it is larger than the sum of its proper divisors (8572530650679).

12312203301321 is a wasteful number, since it uses less digits than its factorization.

12312203301321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087746594 (or 1087746580 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12312203301321 its reverse (12310330221321), we get a palindrome (24622533522642).

The spelling of 12312203301321 in words is "twelve trillion, three hundred twelve billion, two hundred three million, three hundred one thousand, three hundred twenty-one".