12003551600 has 30 divisors (see below), whose sum is σ = 28838533680. Its totient is φ = 4801420480.

The previous prime is 12003551563. The next prime is 12003551611. The reversal of 12003551600 is 615530021.

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 5 ways as a sum of consecutive naturals, for example, 15004040 + ... + 15004839.

It is an arithmetic number, because the mean of its divisors is an integer number (961284456).

Almost surely, 2^12003551600 is an apocalyptic number.

12003551600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003551600 is an abundant number, since it is smaller than the sum of its proper divisors (16834982080).

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

12003551600 is a wasteful number, since it uses less digits than its factorization.

12003551600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30008897 (or 30008886 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 12003551600 in words is "twelve billion, three million, five hundred fifty-one thousand, six hundred".