12230552220 has 96 divisors (see below), whose sum is σ = 36966827520. Its totient is φ = 3012092160.

The previous prime is 12230552179. The next prime is 12230552227. The reversal of 12230552220 is 2225503221.

It is a super-2 number, since 2×12230552220² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230552227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112786 + ... + 192825.

It is an arithmetic number, because the mean of its divisors is an integer number (385071120).

Almost surely, 2^12230552220 is an apocalyptic number.

12230552220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12230552220 is an abundant number, since it is smaller than the sum of its proper divisors (24736275300).

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

12230552220 is a wasteful number, since it uses less digits than its factorization.

12230552220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305675 (or 305673 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 12230552220 in words is "twelve billion, two hundred thirty million, five hundred fifty-two thousand, two hundred twenty".