12000722888 has 108 divisors (see below), whose sum is σ = 28828230795. Its totient is φ = 4666310880.

The previous prime is 12000722879. The next prime is 12000722911. The reversal of 12000722888 is 88822700021.

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.

It can be written as a sum of positive squares in only one way, i.e., 6000361444 + 6000361444 = 77462^2 + 77462^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=77462.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 23858045 + ... + 23858547.

Almost surely, 2^12000722888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12000722888

12000722888 is an abundant number, since it is smaller than the sum of its proper divisors (16827507907).

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

12000722888 is an equidigital number, since it uses as much as digits as its factorization.

12000722888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 38.

The spelling of 12000722888 in words is "twelve billion, seven hundred twenty-two thousand, eight hundred eighty-eight".