12031322416 has 20 divisors (see below), whose sum is σ = 24681904632. Its totient is φ = 5661798656.

The previous prime is 12031322393. The next prime is 12031322417. The reversal of 12031322416 is 61422313021.

12031322416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12031322417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22116130 + ... + 22116673.

Almost surely, 2^12031322416 is an apocalyptic number.

12031322416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12031322416 is an abundant number, since it is smaller than the sum of its proper divisors (12650582216).

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

12031322416 is a wasteful number, since it uses less digits than its factorization.

12031322416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44232828 (or 44232822 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12031322416 its reverse (61422313021), we get a palindrome (73453635437).

The spelling of 12031322416 in words is "twelve billion, thirty-one million, three hundred twenty-two thousand, four hundred sixteen".