12732227248 has 160 divisors (see below), whose sum is σ = 29755095552. Its totient is φ = 5219942400.

The previous prime is 12732227243. The next prime is 12732227267. The reversal of 12732227248 is 84272223721.

It is a happy number.

It is a super-2 number, since 2×12732227248² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12732227248.

It is not an unprimeable number, because it can be changed into a prime (12732227243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4492840 + ... + 4495672.

Almost surely, 2^12732227248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12732227248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14877547776).

12732227248 is an abundant number, since it is smaller than the sum of its proper divisors (17022868304).

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

12732227248 is a wasteful number, since it uses less digits than its factorization.

12732227248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943 (or 2937 counting only the distinct ones).

The product of its digits is 150528, while the sum is 40.

The spelling of 12732227248 in words is "twelve billion, seven hundred thirty-two million, two hundred twenty-seven thousand, two hundred forty-eight".