12233232220 has 48 divisors (see below), whose sum is σ = 28362918528. Its totient is φ = 4394845760.

The previous prime is 12233232199. The next prime is 12233232223. The reversal of 12233232220 is 2223233221.

12233232220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12233232220² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 12233232191 and 12233232200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233232223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316714 + ... + 353233.

It is an arithmetic number, because the mean of its divisors is an integer number (590894136).

Almost surely, 2^12233232220 is an apocalyptic number.

12233232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12233232220 is an abundant number, since it is smaller than the sum of its proper divisors (16129686308).

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

12233232220 is a wasteful number, since it uses less digits than its factorization.

12233232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670050 (or 670048 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 12233232220 its reverse (2223233221), we get a palindrome (14456465441).

The spelling of 12233232220 in words is "twelve billion, two hundred thirty-three million, two hundred thirty-two thousand, two hundred twenty".