12220301443 has 16 divisors (see below), whose sum is σ = 14283000000. Its totient is φ = 10451083776.

The previous prime is 12220301389. The next prime is 12220301461. The reversal of 12220301443 is 34410302221.

It is not a de Polignac number, because 12220301443 - 2¹⁷ = 12220170371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220301473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114333 + ... + 193681.

It is an arithmetic number, because the mean of its divisors is an integer number (892687500).

Almost surely, 2^12220301443 is an apocalyptic number.

12220301443 is a deficient number, since it is larger than the sum of its proper divisors (2062698557).

12220301443 is an frugal number, since it uses more digits than its factorization.

12220301443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79819 (or 79805 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12220301443 its reverse (34410302221), we get a palindrome (46630603664).

The spelling of 12220301443 in words is "twelve billion, two hundred twenty million, three hundred one thousand, four hundred forty-three".