12066500552 has 36 divisors (see below), whose sum is σ = 22989863115. Its totient is φ = 5937400560.

The previous prime is 12066500483. The next prime is 12066500587. The reversal of 12066500552 is 25500566021.

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., 6033250276 + 6033250276 = 77674^2 + 77674^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=77674.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22059143 + ... + 22059689.

Almost surely, 2^12066500552 is an apocalyptic number.

It is an amenable number.

12066500552 is a deficient number, since it is larger than the sum of its proper divisors (10923362563).

12066500552 is an frugal number, since it uses more digits than its factorization.

12066500552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Multiplying 12066500552 by its sum of digits (32), we get a square (386128017664 = 621392²).

The spelling of 12066500552 in words is "twelve billion, sixty-six million, five hundred thousand, five hundred fifty-two".