12211033433 has 4 divisors (see below), whose sum is σ = 12239234868. Its totient is φ = 12182832000.

The previous prime is 12211033357. The next prime is 12211033441. The reversal of 12211033433 is 33433011221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1976069209 + 10234964224 = 44453^2 + 101168^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211033433 - 2³⁰ = 11137291609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12211033399 and 12211033408.

It is not an unprimeable number, because it can be changed into a prime (12211033453) 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, 14100068 + ... + 14100933.

It is an arithmetic number, because the mean of its divisors is an integer number (3059808717).

Almost surely, 2^12211033433 is an apocalyptic number.

It is an amenable number.

12211033433 is a deficient number, since it is larger than the sum of its proper divisors (28201435).

12211033433 is an equidigital number, since it uses as much as digits as its factorization.

12211033433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28201434.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12211033433 its reverse (33433011221), we get a palindrome (45644044654).

The spelling of 12211033433 in words is "twelve billion, two hundred eleven million, thirty-three thousand, four hundred thirty-three".