12326005511200 has 72 divisors (see below), whose sum is σ = 31128476907780. Its totient is φ = 4760388326400.

The previous prime is 12326005511177. The next prime is 12326005511203. The reversal of 12326005511200 is 211550062321.

It can be written as a sum of positive squares in 6 ways, for example, as 3546186129424 + 8779819381776 = 1883132^2 + 2963076^2 .

It is not an unprimeable number, because it can be changed into a prime (12326005511203) 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, 265623471 + ... + 265669870.

Almost surely, 2^{12326005511200} is an apocalyptic number.

12326005511200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12326005511200 is an abundant number, since it is smaller than the sum of its proper divisors (18802471396580).

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

12326005511200 is a wasteful number, since it uses less digits than its factorization.

12326005511200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531293390 (or 531293377 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 12326005511200 its reverse (211550062321), we get a palindrome (12537555573521).

The spelling of 12326005511200 in words is "twelve trillion, three hundred twenty-six billion, five million, five hundred eleven thousand, two hundred".