12012122232200 has 96 divisors (see below), whose sum is σ = 28344945807360. Its totient is φ = 4733644204800.

The previous prime is 12012122232197. The next prime is 12012122232223. The reversal of 12012122232200 is 223222121021.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 2322809 + ... + 5423991.

It is an arithmetic number, because the mean of its divisors is an integer number (295259852160).

Almost surely, 2^{12012122232200} is an apocalyptic number.

12012122232200 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 12012122232200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14172472903680).

12012122232200 is an abundant number, since it is smaller than the sum of its proper divisors (16332823575160).

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

12012122232200 is a wasteful number, since it uses less digits than its factorization.

12012122232200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101487 (or 3101478 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12012122232200 its reverse (223222121021), we get a palindrome (12235344353221).

The spelling of 12012122232200 in words is "twelve trillion, twelve billion, one hundred twenty-two million, two hundred thirty-two thousand, two hundred".