12122534523 has 8 divisors (see below), whose sum is σ = 17632777536. Its totient is φ = 7346990600.

The previous prime is 12122534507. The next prime is 12122534561. The reversal of 12122534523 is 32543522121.

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 12122534523 - 2⁴ = 12122534507 is a prime.

It is a super-2 number, since 2×12122534523² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12122534503) 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 7 ways as a sum of consecutive naturals, for example, 183674733 + ... + 183674798.

It is an arithmetic number, because the mean of its divisors is an integer number (2204097192).

Almost surely, 2^12122534523 is an apocalyptic number.

12122534523 is a deficient number, since it is larger than the sum of its proper divisors (5510243013).

12122534523 is a wasteful number, since it uses less digits than its factorization.

12122534523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367349545.

The product of its digits is 14400, while the sum is 30.

It can be divided in two parts, 12122 and 534523, that added together give a palindrome (546645).

The spelling of 12122534523 in words is "twelve billion, one hundred twenty-two million, five hundred thirty-four thousand, five hundred twenty-three".