12002012200000 has 168 divisors, whose sum is σ = 29792656288584. Its totient is φ = 4796943360000.

The previous prime is 12002012199967. The next prime is 12002012200051. The reversal of 12002012200000 is 221020021.

It can be written as a sum of positive squares in 12 ways, for example, as 11643709394944 + 358302805056 = 3412288^2 + 598584^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 12002012200000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255376504 + ... + 255423496.

It is an arithmetic number, because the mean of its divisors is an integer number (177337239813).

Almost surely, 2^{12002012200000} is an apocalyptic number.

12002012200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12002012200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14896328144292).

12002012200000 is an abundant number, since it is smaller than the sum of its proper divisors (17790644088584).

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

12002012200000 is an frugal number, since it uses more digits than its factorization.

12002012200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48307 (or 48277 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12002012200000 its reverse (221020021), we get a palindrome (12002233220021).

The spelling of 12002012200000 in words is "twelve trillion, two billion, twelve million, two hundred thousand".