12213133443 has 24 divisors (see below), whose sum is σ = 21222489600. Its totient is φ = 6611620464.

The previous prime is 12213133417. The next prime is 12213133453. The reversal of 12213133443 is 34433131221.

It is a happy number.

12213133443 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 313 + 344 + 3 = 666.

It is not a de Polignac number, because 12213133443 - 2¹³ = 12213125251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12213133453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5100363 + ... + 5102756.

It is an arithmetic number, because the mean of its divisors is an integer number (884270400).

Almost surely, 2^12213133443 is an apocalyptic number.

12213133443 is a deficient number, since it is larger than the sum of its proper divisors (9009356157).

12213133443 is a wasteful number, since it uses less digits than its factorization.

12213133443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10203151 (or 10203148 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 12213133443 its reverse (34433131221), we get a palindrome (46646264664).

The spelling of 12213133443 in words is "twelve billion, two hundred thirteen million, one hundred thirty-three thousand, four hundred forty-three".