12030001001 has 2 divisors, whose sum is σ = 12030001002. Its totient is φ = 12030001000.

The previous prime is 12030000979. The next prime is 12030001007. The reversal of 12030001001 is 10010003021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12022026025 + 7974976 = 109645^2 + 2824^2 .

It is a cyclic number.

It is not a de Polignac number, because 12030001001 - 2¹⁸ = 12029738857 is a prime.

It is a super-2 number, since 2×12030001001² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12030001001.

It is not a weakly prime, because it can be changed into another prime (12030001007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015000500 + 6015000501.

It is an arithmetic number, because the mean of its divisors is an integer number (6015000501).

Almost surely, 2^12030001001 is an apocalyptic number.

It is an amenable number.

12030001001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12030001001 is an equidigital number, since it uses as much as digits as its factorization.

12030001001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 12030001001 its reverse (10010003021), we get a palindrome (22040004022).

The spelling of 12030001001 in words is "twelve billion, thirty million, one thousand, one".