12756274533600 has 432 divisors, whose sum is σ = 45001983719952. Its totient is φ = 3137167687680.

The previous prime is 12756274533593. The next prime is 12756274533619. The reversal of 12756274533600 is 633547265721.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 467643162 + ... + 467670438.

It is an arithmetic number, because the mean of its divisors is an integer number (104171258611).

Almost surely, 2^{12756274533600} is an apocalyptic number.

12756274533600 is a gapful number since it is divisible by the number (10) 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 12756274533600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22500991859976).

12756274533600 is an abundant number, since it is smaller than the sum of its proper divisors (32245709186352).

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

12756274533600 is a wasteful number, since it uses less digits than its factorization.

12756274533600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28479 (or 28453 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 51.

The spelling of 12756274533600 in words is "twelve trillion, seven hundred fifty-six billion, two hundred seventy-four million, five hundred thirty-three thousand, six hundred".