12020120020001 has 2 divisors, whose sum is σ = 12020120020002. Its totient is φ = 12020120020000.

The previous prime is 12020120019967. The next prime is 12020120020019. The reversal of 12020120020001 is 10002002102021.

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., 6164300805601 + 5855819214400 = 2482801^2 + 2419880^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020120020001 - 2¹⁸ = 12020119757857 is a prime.

It is not a weakly prime, because it can be changed into another prime (12020120020201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010060010000 + 6010060010001.

It is an arithmetic number, because the mean of its divisors is an integer number (6010060010001).

Almost surely, 2^{12020120020001} is an apocalyptic number.

It is an amenable number.

12020120020001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020120020001 is an equidigital number, since it uses as much as digits as its factorization.

12020120020001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12020120020001 its reverse (10002002102021), we get a palindrome (22022122122022).

The spelling of 12020120020001 in words is "twelve trillion, twenty billion, one hundred twenty million, twenty thousand, one".