12303417448256 has 84 divisors (see below), whose sum is σ = 26842086649476. Its totient is φ = 5591168225280.

The previous prime is 12303417448247. The next prime is 12303417448447. The reversal of 12303417448256 is 65284471430321.

It can be written as a sum of positive squares in 2 ways, for example, as 9101178777856 + 3202238670400 = 3016816^2 + 1789480^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33682856 + ... + 34046168.

It is an arithmetic number, because the mean of its divisors is an integer number (319548650589).

Almost surely, 2^{12303417448256} is an apocalyptic number.

12303417448256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12303417448256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13421043324738).

12303417448256 is an abundant number, since it is smaller than the sum of its proper divisors (14538669201220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12303417448256 is a wasteful number, since it uses less digits than its factorization.

12303417448256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367720 (or 367699 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

Adding to 12303417448256 its reverse (65284471430321), we get a palindrome (77587888878577).

The spelling of 12303417448256 in words is "twelve trillion, three hundred three billion, four hundred seventeen million, four hundred forty-eight thousand, two hundred fifty-six".