12211131323 has 8 divisors (see below), whose sum is σ = 12256195728. Its totient is φ = 12166108704.

The previous prime is 12211131301. The next prime is 12211131343. The reversal of 12211131323 is 32313111221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12211131323 - 2¹⁴ = 12211114939 is a prime.

It is a super-2 number, since 2×12211131323² (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 = 12211131295 and 12211131304.

It is not an unprimeable number, because it can be changed into a prime (12211131343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651065 + ... + 669557.

It is an arithmetic number, because the mean of its divisors is an integer number (1532024466).

Almost surely, 2^12211131323 is an apocalyptic number.

12211131323 is a deficient number, since it is larger than the sum of its proper divisors (45064405).

12211131323 is a wasteful number, since it uses less digits than its factorization.

12211131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20893.

The product of its digits is 216, while the sum is 20.

Adding to 12211131323 its reverse (32313111221), we get a palindrome (44524242544).

The spelling of 12211131323 in words is "twelve billion, two hundred eleven million, one hundred thirty-one thousand, three hundred twenty-three".