12055000571 has 4 divisors (see below), whose sum is σ = 12087848352. Its totient is φ = 12022152792.

The previous prime is 12055000567. The next prime is 12055000583. The reversal of 12055000571 is 17500055021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17500055021 = 3593 ⋅4870597.

It is a cyclic number.

It is not a de Polignac number, because 12055000571 - 2² = 12055000567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12055000571.

It is not an unprimeable number, because it can be changed into a prime (12055000501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16423340 + ... + 16424073.

It is an arithmetic number, because the mean of its divisors is an integer number (3021962088).

Almost surely, 2^12055000571 is an apocalyptic number.

12055000571 is a deficient number, since it is larger than the sum of its proper divisors (32847781).

12055000571 is an equidigital number, since it uses as much as digits as its factorization.

12055000571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32847780.

The product of its (nonzero) digits is 1750, while the sum is 26.

Adding to 12055000571 its reverse (17500055021), we get a palindrome (29555055592).

The spelling of 12055000571 in words is "twelve billion, fifty-five million, five hundred seventy-one", and thus it is an aban number.