12417228032 has 36 divisors (see below), whose sum is σ = 27039225696. Its totient is φ = 5644193280.

The previous prime is 12417228029. The next prime is 12417228041. The reversal of 12417228032 is 23082271421.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 12417228032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2201948 + ... + 2207579.

Almost surely, 2^12417228032 is an apocalyptic number.

It is an amenable number.

12417228032 is an abundant number, since it is smaller than the sum of its proper divisors (14621997664).

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

12417228032 is an equidigital number, since it uses as much as digits as its factorization.

12417228032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409554 (or 4409540 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

Adding to 12417228032 its reverse (23082271421), we get a palindrome (35499499453).

The spelling of 12417228032 in words is "twelve billion, four hundred seventeen million, two hundred twenty-eight thousand, thirty-two".