12230220220 has 24 divisors (see below), whose sum is σ = 25696844208. Its totient is φ = 4889539200.

The previous prime is 12230220217. The next prime is 12230220221. The reversal of 12230220220 is 2202203221.

It is a junction number, because it is equal to n+sod(n) for n = 12230220194 and 12230220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230220221) 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, 119721 + ... + 196960.

It is an arithmetic number, because the mean of its divisors is an integer number (1070701842).

Almost surely, 2^12230220220 is an apocalyptic number.

12230220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12230220220 is an abundant number, since it is smaller than the sum of its proper divisors (13466623988).

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

12230220220 is a wasteful number, since it uses less digits than its factorization.

12230220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318621 (or 318619 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12230220220 its reverse (2202203221), we get a palindrome (14432423441).

The spelling of 12230220220 in words is "twelve billion, two hundred thirty million, two hundred twenty thousand, two hundred twenty".