12024331220 has 48 divisors (see below), whose sum is σ = 27744897600. Its totient is φ = 4341016320.

The previous prime is 12024331213. The next prime is 12024331223. The reversal of 12024331220 is 2213342021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12024331192 and 12024331201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12024331223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166025 + ... + 227184.

It is an arithmetic number, because the mean of its divisors is an integer number (578018700).

Almost surely, 2^12024331220 is an apocalyptic number.

12024331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12024331220 is an abundant number, since it is smaller than the sum of its proper divisors (15720566380).

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

12024331220 is a wasteful number, since it uses less digits than its factorization.

12024331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393368 (or 393366 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12024331220 its reverse (2213342021), we get a palindrome (14237673241).

The spelling of 12024331220 in words is "twelve billion, twenty-four million, three hundred thirty-one thousand, two hundred twenty".