12774200256 has 280 divisors, whose sum is σ = 40450861440. Its totient is φ = 3977164800.

The previous prime is 12774200237. The next prime is 12774200269. The reversal of 12774200256 is 65200247721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12774200256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4659046 + ... + 4661786.

Almost surely, 2^12774200256 is an apocalyptic number.

12774200256 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 12774200256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20225430720).

12774200256 is an abundant number, since it is smaller than the sum of its proper divisors (27676661184).

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

12774200256 is a wasteful number, since it uses less digits than its factorization.

12774200256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825 (or 2806 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

Adding to 12774200256 its reverse (65200247721), we get a palindrome (77974447977).

The spelling of 12774200256 in words is "twelve billion, seven hundred seventy-four million, two hundred thousand, two hundred fifty-six".