12222325523 has 4 divisors (see below), whose sum is σ = 12404748360. Its totient is φ = 12039902688.

The previous prime is 12222325483. The next prime is 12222325571. The reversal of 12222325523 is 32552322221.

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

It is a cyclic number.

It is not a de Polignac number, because 12222325523 - 2¹² = 12222321427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222345523) 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, 91211318 + ... + 91211451.

It is an arithmetic number, because the mean of its divisors is an integer number (3101187090).

Almost surely, 2^12222325523 is an apocalyptic number.

12222325523 is a deficient number, since it is larger than the sum of its proper divisors (182422837).

12222325523 is an equidigital number, since it uses as much as digits as its factorization.

12222325523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182422836.

The product of its digits is 14400, while the sum is 29.

Adding to 12222325523 its reverse (32552322221), we get a palindrome (44774647744).

The spelling of 12222325523 in words is "twelve billion, two hundred twenty-two million, three hundred twenty-five thousand, five hundred twenty-three".