12310332321 has 32 divisors (see below), whose sum is σ = 18828665856. Its totient is φ = 7008264000.

The previous prime is 12310332319. The next prime is 12310332323. The reversal of 12310332321 is 12323301321.

It is an interprime number because it is at equal distance from previous prime (12310332319) and next prime (12310332323).

It is not a de Polignac number, because 12310332321 - 2¹ = 12310332319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12310332323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11282986 + ... + 11284076.

It is an arithmetic number, because the mean of its divisors is an integer number (588395808).

Almost surely, 2^12310332321 is an apocalyptic number.

It is an amenable number.

12310332321 is a deficient number, since it is larger than the sum of its proper divisors (6518333535).

12310332321 is a wasteful number, since it uses less digits than its factorization.

12310332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12310332321 its reverse (12323301321), we get a palindrome (24633633642).

The spelling of 12310332321 in words is "twelve billion, three hundred ten million, three hundred thirty-two thousand, three hundred twenty-one".