12220533443 has 4 divisors (see below), whose sum is σ = 12751861008. Its totient is φ = 11689205880.

The previous prime is 12220533439. The next prime is 12220533517. The reversal of 12220533443 is 34433502221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34433502221 = 100847 ⋅341443.

It is a cyclic number.

It is not a de Polignac number, because 12220533443 - 2² = 12220533439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220533643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265663748 + ... + 265663793.

It is an arithmetic number, because the mean of its divisors is an integer number (3187965252).

Almost surely, 2^12220533443 is an apocalyptic number.

12220533443 is a deficient number, since it is larger than the sum of its proper divisors (531327565).

12220533443 is an equidigital number, since it uses as much as digits as its factorization.

12220533443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531327564.

The product of its (nonzero) digits is 17280, while the sum is 29.

The spelling of 12220533443 in words is "twelve billion, two hundred twenty million, five hundred thirty-three thousand, four hundred forty-three".