12424306400 has 144 divisors (see below), whose sum is σ = 33283525968. Its totient is φ = 4491264000.

The previous prime is 12424306373. The next prime is 12424306421. The reversal of 12424306400 is 460342421.

It is a self number, because there is not a number n which added to its sum of digits gives 12424306400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1518320 + ... + 1526480.

It is an arithmetic number, because the mean of its divisors is an integer number (231135597).

Almost surely, 2^12424306400 is an apocalyptic number.

12424306400 is a gapful number since it is divisible by the number (10) 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 12424306400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16641762984).

12424306400 is an abundant number, since it is smaller than the sum of its proper divisors (20859219568).

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

12424306400 is a wasteful number, since it uses less digits than its factorization.

12424306400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8365 (or 8352 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12424306400 its reverse (460342421), we get a palindrome (12884648821).

The spelling of 12424306400 in words is "twelve billion, four hundred twenty-four million, three hundred six thousand, four hundred".