12020010001 has 2 divisors, whose sum is σ = 12020010002. Its totient is φ = 12020010000.

The previous prime is 12020009993. The next prime is 12020010007. The reversal of 12020010001 is 10001002021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7042566400 + 4977443601 = 83920^2 + 70551^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020010001 - 2³ = 12020009993 is a prime.

It is not a weakly prime, because it can be changed into another prime (12020010007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010005000 + 6010005001.

It is an arithmetic number, because the mean of its divisors is an integer number (6010005001).

Almost surely, 2^12020010001 is an apocalyptic number.

It is an amenable number.

12020010001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020010001 is an equidigital number, since it uses as much as digits as its factorization.

12020010001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 12020010001 its reverse (10001002021), we get a palindrome (22021012022).

The spelling of 12020010001 in words is "twelve billion, twenty million, ten thousand, one".