12030232220 has 24 divisors (see below), whose sum is σ = 25277422464. Its totient is φ = 4809438656.

The previous prime is 12030232211. The next prime is 12030232229. The reversal of 12030232220 is 2223203021.

12030232220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12030232211) and next prime (12030232229).

It is a super-2 number, since 2×12030232220² (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 (12030232229) 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 7 ways as a sum of consecutive naturals, for example, 128519 + ... + 201438.

It is an arithmetic number, because the mean of its divisors is an integer number (1053225936).

Almost surely, 2^12030232220 is an apocalyptic number.

12030232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12030232220 is an abundant number, since it is smaller than the sum of its proper divisors (13247190244).

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

12030232220 is a wasteful number, since it uses less digits than its factorization.

12030232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331789 (or 331787 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 12030232220 its reverse (2223203021), we get a palindrome (14253435241).

The spelling of 12030232220 in words is "twelve billion, thirty million, two hundred thirty-two thousand, two hundred twenty".