12117724422 has 16 divisors (see below), whose sum is σ = 24236738352. Its totient is φ = 4039026560.

The previous prime is 12117724397. The next prime is 12117724429. The reversal of 12117724422 is 22442771121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12117724429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104098 + ... + 187274.

It is an arithmetic number, because the mean of its divisors is an integer number (1514796147).

Almost surely, 2^12117724422 is an apocalyptic number.

12117724422 is an abundant number, since it is smaller than the sum of its proper divisors (12119013930).

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

12117724422 is a wasteful number, since it uses less digits than its factorization.

12117724422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107463.

The product of its digits is 12544, while the sum is 33.

The spelling of 12117724422 in words is "twelve billion, one hundred seventeen million, seven hundred twenty-four thousand, four hundred twenty-two".