12320312001 has 8 divisors (see below), whose sum is σ = 16737027840. Its totient is φ = 8058568752.

The previous prime is 12320311999. The next prime is 12320312003. The reversal of 12320312001 is 10021302321.

It is an interprime number because it is at equal distance from previous prime (12320311999) and next prime (12320312003).

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

It is not a de Polignac number, because 12320312001 - 2¹ = 12320311999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12320312003) 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, 38742961 + ... + 38743278.

It is an arithmetic number, because the mean of its divisors is an integer number (2092128480).

Almost surely, 2^12320312001 is an apocalyptic number.

It is an amenable number.

12320312001 is a deficient number, since it is larger than the sum of its proper divisors (4416715839).

12320312001 is an equidigital number, since it uses as much as digits as its factorization.

12320312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77486295.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12320312001 its reverse (10021302321), we get a palindrome (22341614322).

The spelling of 12320312001 in words is "twelve billion, three hundred twenty million, three hundred twelve thousand, one".