12320032001 has 2 divisors, whose sum is σ = 12320032002. Its totient is φ = 12320032000.

The previous prime is 12320031973. The next prime is 12320032007. The reversal of 12320032001 is 10023002321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7599654976 + 4720377025 = 87176^2 + 68705^2 .

It is an emirp because it is prime and its reverse (10023002321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12320032001 is a prime.

It is not a weakly prime, because it can be changed into another prime (12320032007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160016000 + 6160016001.

It is an arithmetic number, because the mean of its divisors is an integer number (6160016001).

Almost surely, 2^12320032001 is an apocalyptic number.

It is an amenable number.

12320032001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320032001 is an equidigital number, since it uses as much as digits as its factorization.

12320032001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12320032001 its reverse (10023002321), we get a palindrome (22343034322).

The spelling of 12320032001 in words is "twelve billion, three hundred twenty million, thirty-two thousand, one".