12312330001 has 4 divisors (see below), whose sum is σ = 12356146404. Its totient is φ = 12268513600.

The previous prime is 12312329999. The next prime is 12312330013. The reversal of 12312330001 is 10003321321.

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 10712250000 + 1600080001 = 103500^2 + 40001^2 .

It is a cyclic number.

It is not a de Polignac number, because 12312330001 - 2¹ = 12312329999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12312330071) 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, 21907780 + ... + 21908341.

It is an arithmetic number, because the mean of its divisors is an integer number (3089036601).

Almost surely, 2^12312330001 is an apocalyptic number.

It is an amenable number.

12312330001 is a deficient number, since it is larger than the sum of its proper divisors (43816403).

12312330001 is an equidigital number, since it uses as much as digits as its factorization.

12312330001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43816402.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12312330001 its reverse (10003321321), we get a palindrome (22315651322).

The spelling of 12312330001 in words is "twelve billion, three hundred twelve million, three hundred thirty thousand, one".