12220212200 has 96 divisors (see below), whose sum is σ = 32792722560. Its totient is φ = 4148256000.

The previous prime is 12220212181. The next prime is 12220212217. The reversal of 12220212200 is 221202221.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 98189 + ... + 184611.

It is an arithmetic number, because the mean of its divisors is an integer number (341590860).

Almost surely, 2^12220212200 is an apocalyptic number.

12220212200 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 12220212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16396361280).

12220212200 is an abundant number, since it is smaller than the sum of its proper divisors (20572510360).

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

12220212200 is a wasteful number, since it uses less digits than its factorization.

12220212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86547 (or 86538 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12220212200 its reverse (221202221), we get a palindrome (12441414421).

It can be divided in two parts, 1222021 and 2200, that added together give a palindrome (1224221).

The spelling of 12220212200 in words is "twelve billion, two hundred twenty million, two hundred twelve thousand, two hundred".