12111200212000 has 48 divisors (see below), whose sum is σ = 29757218930712. Its totient is φ = 4844480083200.

The previous prime is 12111200211997. The next prime is 12111200212081. The reversal of 12111200212000 is 21200211121.

It can be written as a sum of positive squares in 4 ways, for example, as 598995506704 + 11512204705296 = 773948^2 + 3392964^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513896027 + ... + 1513904026.

Almost surely, 2^{12111200212000} is an apocalyptic number.

12111200212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111200212000 is an abundant number, since it is smaller than the sum of its proper divisors (17646018718712).

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

12111200212000 is an equidigital number, since it uses as much as digits as its factorization.

12111200212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027800078 (or 3027800060 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12111200212000 its reverse (21200211121), we get a palindrome (12132400423121).

The spelling of 12111200212000 in words is "twelve trillion, one hundred eleven billion, two hundred million, two hundred twelve thousand".