12000305045 has 8 divisors (see below), whose sum is σ = 14548824024. Its totient is φ = 9501272064.

The previous prime is 12000305041. The next prime is 12000305071. The reversal of 12000305045 is 54050300021.

It can be written as a sum of positive squares in 4 ways, for example, as 77193796 + 11923111249 = 8786^2 + 109193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12000305045 - 2² = 12000305041 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000305041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12370964 + ... + 12371933.

It is an arithmetic number, because the mean of its divisors is an integer number (1818603003).

Almost surely, 2^12000305045 is an apocalyptic number.

It is an amenable number.

12000305045 is a deficient number, since it is larger than the sum of its proper divisors (2548518979).

12000305045 is an equidigital number, since it uses as much as digits as its factorization.

12000305045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24742999.

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 12000305045 its reverse (54050300021), we get a palindrome (66050605066).

The spelling of 12000305045 in words is "twelve billion, three hundred five thousand, forty-five".