12310001321 has 8 divisors (see below), whose sum is σ = 12565962624. Its totient is φ = 12056164560.

The previous prime is 12310001309. The next prime is 12310001323.

12310001321 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12310001321 - 2¹⁸ = 12309739177 is a prime.

It is a super-2 number, since 2×12310001321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12310001296 and 12310001305.

It is not an unprimeable number, because it can be changed into a prime (12310001323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519425 + ... + 542606.

It is an arithmetic number, because the mean of its divisors is an integer number (1570745328).

Almost surely, 2^12310001321 is an apocalyptic number.

It is an amenable number.

12310001321 is a deficient number, since it is larger than the sum of its proper divisors (255961303).

12310001321 is a wasteful number, since it uses less digits than its factorization.

12310001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062271.

The product of its (nonzero) digits is 36, while the sum is 14.

It can be divided in two parts, 1231000 and 1321, that added together give a palindrome (1232321).

The spelling of 12310001321 in words is "twelve billion, three hundred ten million, one thousand, three hundred twenty-one".