12203222120 has 32 divisors (see below), whose sum is σ = 27460765800. Its totient is φ = 4880663808.

The previous prime is 12203222099. The next prime is 12203222123. The reversal of 12203222120 is 2122230221.

It can be written as a sum of positive squares in 4 ways, for example, as 8867235556 + 3335986564 = 94166^2 + 57758^2 .

It is a super-2 number, since 2×12203222120² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12203222123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417422 + ... + 445698.

Almost surely, 2^12203222120 is an apocalyptic number.

12203222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12203222120 is an abundant number, since it is smaller than the sum of its proper divisors (15257543680).

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

12203222120 is a wasteful number, since it uses less digits than its factorization.

12203222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39077 (or 39073 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12203222120 its reverse (2122230221), we get a palindrome (14325452341).

The spelling of 12203222120 in words is "twelve billion, two hundred three million, two hundred twenty-two thousand, one hundred twenty".