12000330553 has 4 divisors (see below), whose sum is σ = 12026589940. Its totient is φ = 11974071168.

The previous prime is 12000330539. The next prime is 12000330557. The reversal of 12000330553 is 35503300021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9927531769 + 2072798784 = 99637^2 + 45528^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000330553 - 2⁵ = 12000330521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000330557) 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, 13129008 + ... + 13129921.

It is an arithmetic number, because the mean of its divisors is an integer number (3006647485).

Almost surely, 2^12000330553 is an apocalyptic number.

It is an amenable number.

12000330553 is a deficient number, since it is larger than the sum of its proper divisors (26259387).

12000330553 is an equidigital number, since it uses as much as digits as its factorization.

12000330553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26259386.

The product of its (nonzero) digits is 1350, while the sum is 22.

Adding to 12000330553 its reverse (35503300021), we get a palindrome (47503630574).

The spelling of 12000330553 in words is "twelve billion, three hundred thirty thousand, five hundred fifty-three".