12012132300 has 72 divisors (see below), whose sum is σ = 39720124416. Its totient is φ = 2745629760.

The previous prime is 12012132299. The next prime is 12012132337. The reversal of 12012132300 is 323121021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12012132300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2857932 + ... + 2862131.

Almost surely, 2^12012132300 is an apocalyptic number.

12012132300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012132300 is an abundant number, since it is smaller than the sum of its proper divisors (27707992116).

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

12012132300 is a wasteful number, since it uses less digits than its factorization.

12012132300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5720087 (or 5720080 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12012132300 its reverse (323121021), we get a palindrome (12335253321).

The spelling of 12012132300 in words is "twelve billion, twelve million, one hundred thirty-two thousand, three hundred".