12743711472 has 20 divisors (see below), whose sum is σ = 32921254760. Its totient is φ = 4247903808.

The previous prime is 12743711447. The next prime is 12743711473. The reversal of 12743711472 is 27411734721.

It is a self number, because there is not a number n which added to its sum of digits gives 12743711472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12743711473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132746947 + ... + 132747042.

It is an arithmetic number, because the mean of its divisors is an integer number (1646062738).

Almost surely, 2^12743711472 is an apocalyptic number.

12743711472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12743711472 is an abundant number, since it is smaller than the sum of its proper divisors (20177543288).

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

12743711472 is a wasteful number, since it uses less digits than its factorization.

12743711472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265494000 (or 265493994 counting only the distinct ones).

The product of its digits is 65856, while the sum is 39.

The spelling of 12743711472 in words is "twelve billion, seven hundred forty-three million, seven hundred eleven thousand, four hundred seventy-two".