12051504200 has 48 divisors (see below), whose sum is σ = 28923624960. Its totient is φ = 4665096000.

The previous prime is 12051504139. The next prime is 12051504203. The reversal of 12051504200 is 240515021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (12051504203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 965696 + ... + 978095.

It is an arithmetic number, because the mean of its divisors is an integer number (602575520).

Almost surely, 2^12051504200 is an apocalyptic number.

12051504200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12051504200 is an abundant number, since it is smaller than the sum of its proper divisors (16872120760).

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

12051504200 is a wasteful number, since it uses less digits than its factorization.

12051504200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943838 (or 1943829 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The spelling of 12051504200 in words is "twelve billion, fifty-one million, five hundred four thousand, two hundred".