12947040000 has 720 divisors, whose sum is σ = 49742702240. Its totient is φ = 3359232000.

The previous prime is 12947039971. The next prime is 12947040017. The reversal of 12947040000 is 4074921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 349919982 + ... + 349920018.

Almost surely, 2^12947040000 is an apocalyptic number.

12947040000 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 12947040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24871351120).

12947040000 is an abundant number, since it is smaller than the sum of its proper divisors (36795662240).

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

12947040000 is an frugal number, since it uses more digits than its factorization.

12947040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 12947040000 in words is "twelve billion, nine hundred forty-seven million, forty thousand".