12281288647 has 8 divisors (see below), whose sum is σ = 12958387760. Its totient is φ = 11607261120.

The previous prime is 12281288599. The next prime is 12281288741. The reversal of 12281288647 is 74688218221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12281288647 - 2⁷ = 12281288519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12281288647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12281288347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759678 + ... + 775675.

It is an arithmetic number, because the mean of its divisors is an integer number (1619798470).

Almost surely, 2^12281288647 is an apocalyptic number.

12281288647 is a deficient number, since it is larger than the sum of its proper divisors (677099113).

12281288647 is a wasteful number, since it uses less digits than its factorization.

12281288647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535793.

The product of its digits is 688128, while the sum is 49.

The spelling of 12281288647 in words is "twelve billion, two hundred eighty-one million, two hundred eighty-eight thousand, six hundred forty-seven".