12484649600 has 48 divisors (see below), whose sum is σ = 30840993870. Its totient is φ = 4993858560.

The previous prime is 12484649509. The next prime is 12484649603. The reversal of 12484649600 is 694648421.

It can be written as a sum of positive squares in 3 ways, for example, as 4993400896 + 7491248704 = 70664^2 + 86552^2 .

It is not an unprimeable number, because it can be changed into a prime (12484649603) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1947527 + ... + 1953926.

Almost surely, 2^12484649600 is an apocalyptic number.

12484649600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12484649600 is an abundant number, since it is smaller than the sum of its proper divisors (18356344270).

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

12484649600 is an equidigital number, since it uses as much as digits as its factorization.

12484649600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901477 (or 3901460 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 12484649600 in words is "twelve billion, four hundred eighty-four million, six hundred forty-nine thousand, six hundred".