12132123322 has 24 divisors (see below), whose sum is σ = 20032187616. Its totient is φ = 5506545000.

The previous prime is 12132123313. The next prime is 12132123323. The reversal of 12132123322 is 22332123121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 12132123293 and 12132123302.

It is not an unprimeable number, because it can be changed into a prime (12132123323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130947 + ... + 203497.

It is an arithmetic number, because the mean of its divisors is an integer number (834674484).

Almost surely, 2^12132123322 is an apocalyptic number.

12132123322 is a deficient number, since it is larger than the sum of its proper divisors (7900064294).

12132123322 is a wasteful number, since it uses less digits than its factorization.

12132123322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73266 (or 73255 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 12132123322 its reverse (22332123121), we get a palindrome (34464246443).

The spelling of 12132123322 in words is "twelve billion, one hundred thirty-two million, one hundred twenty-three thousand, three hundred twenty-two".