12043112220 has 144 divisors (see below), whose sum is σ = 37194629472. Its totient is φ = 3153530880.

The previous prime is 12043112189. The next prime is 12043112227. The reversal of 12043112220 is 2221134021.

It is a happy number.

12043112220 is a `hidden beast` number, since 1 + 2 + 0 + 431 + 12 + 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 = 12043112193 and 12043112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043112227) 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 47 ways as a sum of consecutive naturals, for example, 3164839 + ... + 3168641.

It is an arithmetic number, because the mean of its divisors is an integer number (258296038).

Almost surely, 2^12043112220 is an apocalyptic number.

12043112220 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 12043112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18597314736).

12043112220 is an abundant number, since it is smaller than the sum of its proper divisors (25151517252).

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

12043112220 is a wasteful number, since it uses less digits than its factorization.

12043112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4132 (or 4127 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12043112220 its reverse (2221134021), we get a palindrome (14264246241).

It can be divided in two parts, 120431 and 12220, that added together give a cube (132651 = 51³).

The spelling of 12043112220 in words is "twelve billion, forty-three million, one hundred twelve thousand, two hundred twenty".