12226731696 has 60 divisors (see below), whose sum is σ = 35142689712. Its totient is φ = 3965424768.

The previous prime is 12226731691. The next prime is 12226731739. The reversal of 12226731696 is 69613762221.

It is not an unprimeable number, because it can be changed into a prime (12226731691) 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, 1142076 + ... + 1152731.

Almost surely, 2^12226731696 is an apocalyptic number.

12226731696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12226731696 is an abundant number, since it is smaller than the sum of its proper divisors (22915958016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12226731696 is a wasteful number, since it uses less digits than its factorization.

12226731696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294858 (or 2294849 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The spelling of 12226731696 in words is "twelve billion, two hundred twenty-six million, seven hundred thirty-one thousand, six hundred ninety-six".