12200220212200 has 96 divisors (see below), whose sum is σ = 28631835302400. Its totient is φ = 4834288085760.

The previous prime is 12200220212183. The next prime is 12200220212231. The reversal of 12200220212200 is 221202200221.

It is a super-4 number, since 4×12200220212200⁴ (a number of 53 digits) contains 4444 as substring.

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, 106828329 + ... + 106942471.

It is an arithmetic number, because the mean of its divisors is an integer number (298248284400).

Almost surely, 2^{12200220212200} is an apocalyptic number.

12200220212200 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 12200220212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14315917651200).

12200220212200 is an abundant number, since it is smaller than the sum of its proper divisors (16431615090200).

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

12200220212200 is a wasteful number, since it uses less digits than its factorization.

12200220212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119171 (or 119162 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12200220212200 its reverse (221202200221), we get a palindrome (12421422412421).

The spelling of 12200220212200 in words is "twelve trillion, two hundred billion, two hundred twenty million, two hundred twelve thousand, two hundred".