12487478200 has 48 divisors (see below), whose sum is σ = 29262055680. Its totient is φ = 4955650560.

The previous prime is 12487478189. The next prime is 12487478221. The reversal of 12487478200 is 287478421.

It is a super-2 number, since 2×12487478200² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220417 + ... + 271216.

It is an arithmetic number, because the mean of its divisors is an integer number (609626160).

Almost surely, 2^12487478200 is an apocalyptic number.

12487478200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12487478200 is an abundant number, since it is smaller than the sum of its proper divisors (16774577480).

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

12487478200 is a wasteful number, since it uses less digits than its factorization.

12487478200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491776 (or 491767 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 43.

The spelling of 12487478200 in words is "twelve billion, four hundred eighty-seven million, four hundred seventy-eight thousand, two hundred".