12027721552 has 80 divisors (see below), whose sum is σ = 29341943424. Its totient is φ = 4639680000.

The previous prime is 12027721547. The next prime is 12027721567. The reversal of 12027721552 is 25512772021.

12027721552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 76102 + ... + 172762.

Almost surely, 2^12027721552 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 12027721552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14670971712).

12027721552 is an abundant number, since it is smaller than the sum of its proper divisors (17314221872).

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

12027721552 is a wasteful number, since it uses less digits than its factorization.

12027721552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96788 (or 96782 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The spelling of 12027721552 in words is "twelve billion, twenty-seven million, seven hundred twenty-one thousand, five hundred fifty-two".