12322242040 has 64 divisors (see below), whose sum is σ = 28228629600. Its totient is φ = 4839571968.

The previous prime is 12322242011. The next prime is 12322242077. The reversal of 12322242040 is 4024222321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2350302 + ... + 2355538.

Almost surely, 2^12322242040 is an apocalyptic number.

12322242040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12322242040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14114314800).

12322242040 is an abundant number, since it is smaller than the sum of its proper divisors (15906387560).

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

12322242040 is a wasteful number, since it uses less digits than its factorization.

12322242040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6304 (or 6300 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12322242040 its reverse (4024222321), we get a palindrome (16346464361).

The spelling of 12322242040 in words is "twelve billion, three hundred twenty-two million, two hundred forty-two thousand, forty".