12043022220 has 96 divisors (see below), whose sum is σ = 37506436800. Its totient is φ = 3208108032.

The previous prime is 12043022191. The next prime is 12043022221. The reversal of 12043022220 is 2222034021.

12043022220 is a `hidden beast` number, since 12 + 0 + 430 + 2 + 2 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12043022193 and 12043022202.

It is not an unprimeable number, because it can be changed into a prime (12043022221) 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, 527196 + ... + 549564.

It is an arithmetic number, because the mean of its divisors is an integer number (390692050).

Almost surely, 2^12043022220 is an apocalyptic number.

12043022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12043022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18753218400).

12043022220 is an abundant number, since it is smaller than the sum of its proper divisors (25463414580).

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

12043022220 is a wasteful number, since it uses less digits than its factorization.

12043022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23384 (or 23376 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 12043022220 its reverse (2222034021), we get a palindrome (14265056241).

The spelling of 12043022220 in words is "twelve billion, forty-three million, twenty-two thousand, two hundred twenty".