12003551200 has 36 divisors (see below), whose sum is σ = 29303671320. Its totient is φ = 4801420160.

The previous prime is 12003551159. The next prime is 12003551279. The reversal of 12003551200 is 215530021.

It is a super-2 number, since 2×12003551200² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7501420 + ... + 7503019.

It is an arithmetic number, because the mean of its divisors is an integer number (813990870).

Almost surely, 2^12003551200 is an apocalyptic number.

12003551200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003551200 is an abundant number, since it is smaller than the sum of its proper divisors (17300120120).

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

12003551200 is a wasteful number, since it uses less digits than its factorization.

12003551200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15004459 (or 15004446 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The spelling of 12003551200 in words is "twelve billion, three million, five hundred fifty-one thousand, two hundred".