12306922272 has 90 divisors (see below), whose sum is σ = 36210934683. Its totient is φ = 4100424768.

The previous prime is 12306922261. The next prime is 12306922289. The reversal of 12306922272 is 27222960321.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

12306922272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6153461136 + 6153461136 = 78444^2 + 78444^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78444.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 14 ways as a sum of consecutive naturals, for example, 5646879 + ... + 5649057.

Almost surely, 2^12306922272 is an apocalyptic number.

12306922272 is a gapful number since it is divisible by the number (12) 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 12306922272

12306922272 is an abundant number, since it is smaller than the sum of its proper divisors (23904012411).

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

12306922272 is an frugal number, since it uses more digits than its factorization.

12306922272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380 (or 2184 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 12306922272 in words is "twelve billion, three hundred six million, nine hundred twenty-two thousand, two hundred seventy-two".