12012320303300 has 72 divisors (see below), whose sum is σ = 26153980345416. Its totient is φ = 4788851880960.

The previous prime is 12012320303281. The next prime is 12012320303309. The reversal of 12012320303300 is 330302321021.

It can be written as a sum of positive squares in 12 ways, for example, as 8177357913664 + 3834962389636 = 2859608^2 + 1958306^2 .

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 (12012320303309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179166584 + ... + 179233616.

Almost surely, 2^{12012320303300} is an apocalyptic number.

12012320303300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012320303300 is an abundant number, since it is smaller than the sum of its proper divisors (14141660042116).

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

12012320303300 is a wasteful number, since it uses less digits than its factorization.

12012320303300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73017 (or 73010 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12012320303300 its reverse (330302321021), we get a palindrome (12342622624321).

The spelling of 12012320303300 in words is "twelve trillion, twelve billion, three hundred twenty million, three hundred three thousand, three hundred".