12432416416 has 120 divisors (see below), whose sum is σ = 28849582944. Its totient is φ = 5273089920.

The previous prime is 12432416407. The next prime is 12432416419. The reversal of 12432416416 is 61461423421.

It is not an unprimeable number, because it can be changed into a prime (12432416419) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7912911 + ... + 7914481.

Almost surely, 2^12432416416 is an apocalyptic number.

12432416416 is a gapful number since it is divisible by the number (16) 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 12432416416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14424791472).

12432416416 is an abundant number, since it is smaller than the sum of its proper divisors (16417166528).

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

12432416416 is an equidigital number, since it uses as much as digits as its factorization.

12432416416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1683 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

Adding to 12432416416 its reverse (61461423421), we get a palindrome (73893839837).

The spelling of 12432416416 in words is "twelve billion, four hundred thirty-two million, four hundred sixteen thousand, four hundred sixteen".