12320321330 has 16 divisors (see below), whose sum is σ = 22383838080. Its totient is φ = 4882070832.

The previous prime is 12320321327. The next prime is 12320321333. The reversal of 12320321330 is 3312302321.

It is an interprime number because it is at equal distance from previous prime (12320321327) and next prime (12320321333).

It is not an unprimeable number, because it can be changed into a prime (12320321333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5756090 + ... + 5758229.

It is an arithmetic number, because the mean of its divisors is an integer number (1398989880).

Almost surely, 2^12320321330 is an apocalyptic number.

12320321330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12320321330 is a deficient number, since it is larger than the sum of its proper divisors (10063516750).

12320321330 is a wasteful number, since it uses less digits than its factorization.

12320321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11514433.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12320321330 its reverse (3312302321), we get a palindrome (15632623651).

The spelling of 12320321330 in words is "twelve billion, three hundred twenty million, three hundred twenty-one thousand, three hundred thirty".