12754437947712 has 224 divisors, whose sum is σ = 38209015987200. Its totient is φ = 4170891916800.

The previous prime is 12754437947701. The next prime is 12754437947737. The reversal of 12754437947712 is 21774973445721.

12754437947712 is a `hidden beast` number, since 1 + 2 + 7 + 54 + 43 + 79 + 477 + 1 + 2 = 666.

12754437947712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12754437947712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49931037 + ... + 50185827.

Almost surely, 2^{12754437947712} is an apocalyptic number.

12754437947712 is a gapful number since it is divisible by the number (12) 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 12754437947712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19104507993600).

12754437947712 is an abundant number, since it is smaller than the sum of its proper divisors (25454578039488).

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

12754437947712 is a wasteful number, since it uses less digits than its factorization.

12754437947712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255362 (or 255346 counting only the distinct ones).

The product of its digits is 82978560, while the sum is 63.

The spelling of 12754437947712 in words is "twelve trillion, seven hundred fifty-four billion, four hundred thirty-seven million, nine hundred forty-seven thousand, seven hundred twelve".