12520243200 has 360 divisors, whose sum is σ = 43296478848. Its totient is φ = 3186360320.

The previous prime is 12520243199. The next prime is 12520243231. The reversal of 12520243200 is 234202521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28262179 + ... + 28262621.

Almost surely, 2^12520243200 is an apocalyptic number.

12520243200 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 12520243200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21648239424).

12520243200 is an abundant number, since it is smaller than the sum of its proper divisors (30776235648).

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

12520243200 is an equidigital number, since it uses as much as digits as its factorization.

12520243200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 12520243200 its reverse (234202521), we get a palindrome (12754445721).

The spelling of 12520243200 in words is "twelve billion, five hundred twenty million, two hundred forty-three thousand, two hundred".