12210100200000 has 504 divisors, whose sum is σ = 45156087325440. Its totient is φ = 3150979200000.

The previous prime is 12210100199981. The next prime is 12210100200007. The reversal of 12210100200000 is 200101221.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12210100200007) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 55690591 + ... + 55909409.

It is an arithmetic number, because the mean of its divisors is an integer number (89595411360).

Almost surely, 2^{12210100200000} is an apocalyptic number.

12210100200000 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 12210100200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22578043662720).

12210100200000 is an abundant number, since it is smaller than the sum of its proper divisors (32945987125440).

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

12210100200000 is an equidigital number, since it uses as much as digits as its factorization.

12210100200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218893 (or 218860 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12210100200000 its reverse (200101221), we get a palindrome (12210300301221).

The spelling of 12210100200000 in words is "twelve trillion, two hundred ten billion, one hundred million, two hundred thousand".