12415625316321 has 8 divisors (see below), whose sum is σ = 16554267078720. Its totient is φ = 8277033549072.

The previous prime is 12415625316293. The next prime is 12415625316379. The reversal of 12415625316321 is 12361352651421.

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

It is not a de Polignac number, because 12415625316321 - 2³¹ = 12413477832673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12415625316421) 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, 11915445 + ... + 12915458.

It is an arithmetic number, because the mean of its divisors is an integer number (2069283384840).

Almost surely, 2^{12415625316321} is an apocalyptic number.

It is an amenable number.

12415625316321 is a deficient number, since it is larger than the sum of its proper divisors (4138641762399).

12415625316321 is a wasteful number, since it uses less digits than its factorization.

12415625316321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24997575.

The product of its digits is 259200, while the sum is 42.

Adding to 12415625316321 its reverse (12361352651421), we get a palindrome (24776977967742).

The spelling of 12415625316321 in words is "twelve trillion, four hundred fifteen billion, six hundred twenty-five million, three hundred sixteen thousand, three hundred twenty-one".