12222131333 has 4 divisors (see below), whose sum is σ = 12223170048. Its totient is φ = 12221092620.

The previous prime is 12222131321. The next prime is 12222131353. The reversal of 12222131333 is 33313122221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33313122221 = 19609 ⋅1698869.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12222131333 is a prime.

It is a super-2 number, since 2×12222131333² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12222131299 and 12222131308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222131353) 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 3 ways as a sum of consecutive naturals, for example, 501503 + ... + 525308.

It is an arithmetic number, because the mean of its divisors is an integer number (3055792512).

Almost surely, 2^12222131333 is an apocalyptic number.

It is an amenable number.

12222131333 is a deficient number, since it is larger than the sum of its proper divisors (1038715).

12222131333 is a wasteful number, since it uses less digits than its factorization.

12222131333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038714.

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

Adding to 12222131333 its reverse (33313122221), we get a palindrome (45535253554).

The spelling of 12222131333 in words is "twelve billion, two hundred twenty-two million, one hundred thirty-one thousand, three hundred thirty-three".