12320312415 has 16 divisors (see below), whose sum is σ = 19717416576. Its totient is φ = 6569194400.

The previous prime is 12320312413. The next prime is 12320312441. The reversal of 12320312415 is 51421302321.

It is not a de Polignac number, because 12320312415 - 2¹ = 12320312413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320312413) 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 15 ways as a sum of consecutive naturals, for example, 39021 + ... + 161750.

It is an arithmetic number, because the mean of its divisors is an integer number (1232338536).

Almost surely, 2^12320312415 is an apocalyptic number.

12320312415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12320312415 is a deficient number, since it is larger than the sum of its proper divisors (7397104161).

12320312415 is a wasteful number, since it uses less digits than its factorization.

12320312415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204870.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 12320312415 its reverse (51421302321), we get a palindrome (63741614736).

The spelling of 12320312415 in words is "twelve billion, three hundred twenty million, three hundred twelve thousand, four hundred fifteen".