12512254400 has 42 divisors (see below), whose sum is σ = 30787969920. Its totient is φ = 5004901120.

The previous prime is 12512254373. The next prime is 12512254429. The reversal of 12512254400 is 445221521.

12512254400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12512254400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3908480 + ... + 3911679.

Almost surely, 2^12512254400 is an apocalyptic number.

12512254400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12512254400 is an abundant number, since it is smaller than the sum of its proper divisors (18275715520).

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

12512254400 is an equidigital number, since it uses as much as digits as its factorization.

12512254400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7820181 (or 7820166 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 12512254400 its reverse (445221521), we get a palindrome (12957475921).

The spelling of 12512254400 in words is "twelve billion, five hundred twelve million, two hundred fifty-four thousand, four hundred".