12226323135 has 32 divisors (see below), whose sum is σ = 21083525568. Its totient is φ = 6014361600.

The previous prime is 12226323127. The next prime is 12226323163. The reversal of 12226323135 is 53132362221.

It is not a de Polignac number, because 12226323135 - 2³ = 12226323127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229599 + ... + 277791.

It is an arithmetic number, because the mean of its divisors is an integer number (658860174).

Almost surely, 2^12226323135 is an apocalyptic number.

12226323135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12226323135 is a deficient number, since it is larger than the sum of its proper divisors (8857202433).

12226323135 is a wasteful number, since it uses less digits than its factorization.

12226323135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49515.

The product of its digits is 12960, while the sum is 30.

Adding to 12226323135 its reverse (53132362221), we get a palindrome (65358685356).

The spelling of 12226323135 in words is "twelve billion, two hundred twenty-six million, three hundred twenty-three thousand, one hundred thirty-five".