12321012420615 has 8 divisors (see below), whose sum is σ = 19713619873008. Its totient is φ = 6571206624320.

The previous prime is 12321012420593. The next prime is 12321012420643. The reversal of 12321012420615 is 51602421012321.

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

It is not a de Polignac number, because 12321012420615 - 2³⁴ = 12303832551431 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 410700414006 + ... + 410700414035.

It is an arithmetic number, because the mean of its divisors is an integer number (2464202484126).

Almost surely, 2^{12321012420615} is an apocalyptic number.

12321012420615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12321012420615 is a deficient number, since it is larger than the sum of its proper divisors (7392607452393).

12321012420615 is an equidigital number, since it uses as much as digits as its factorization.

12321012420615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821400828049.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 12321012420615 its reverse (51602421012321), we get a palindrome (63923433432936).

The spelling of 12321012420615 in words is "twelve trillion, three hundred twenty-one billion, twelve million, four hundred twenty thousand, six hundred fifteen".