12200101220 has 12 divisors (see below), whose sum is σ = 25620212604. Its totient is φ = 4880040480.

The previous prime is 12200101189. The next prime is 12200101283. The reversal of 12200101220 is 2210100221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2292685924 + 9907415296 = 47882^2 + 99536^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305002511 + ... + 305002550.

It is an arithmetic number, because the mean of its divisors is an integer number (2135017717).

Almost surely, 2^12200101220 is an apocalyptic number.

12200101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200101220 is an abundant number, since it is smaller than the sum of its proper divisors (13420111384).

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

12200101220 is a wasteful number, since it uses less digits than its factorization.

12200101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610005070 (or 610005068 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12200101220 its reverse (2210100221), we get a palindrome (14410201441).

Subtracting from 12200101220 its reverse (2210100221), we obtain a palindrome (9990000999).

The spelling of 12200101220 in words is "twelve billion, two hundred million, one hundred one thousand, two hundred twenty".