12288743922 has 128 divisors (see below), whose sum is σ = 31631523840. Its totient is φ = 3093488640.

The previous prime is 12288743897. The next prime is 12288743923. The reversal of 12288743922 is 22934788221.

It is not an unprimeable number, because it can be changed into a prime (12288743923) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9028522 + ... + 9029882.

It is an arithmetic number, because the mean of its divisors is an integer number (247121280).

Almost surely, 2^12288743922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12288743922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15815761920).

12288743922 is an abundant number, since it is smaller than the sum of its proper divisors (19342779918).

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

12288743922 is a wasteful number, since it uses less digits than its factorization.

12288743922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128.

The product of its digits is 774144, while the sum is 48.

The spelling of 12288743922 in words is "twelve billion, two hundred eighty-eight million, seven hundred forty-three thousand, nine hundred twenty-two".