20012022120001 has 2 divisors, whose sum is σ = 20012022120002. Its totient is φ = 20012022120000.

The previous prime is 20012022119959. The next prime is 20012022120019. The reversal of 20012022120001 is 10002122021002.

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., 10159831127601 + 9852190992400 = 3187449^2 + 3138820^2 .

It is a cyclic number.

It is not a de Polignac number, because 20012022120001 - 2¹⁷ = 20012021988929 is a prime.

It is not a weakly prime, because it can be changed into another prime (20012022120031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006011060000 + 10006011060001.

It is an arithmetic number, because the mean of its divisors is an integer number (10006011060001).

Almost surely, 2^{20012022120001} is an apocalyptic number.

It is an amenable number.

20012022120001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012022120001 is an equidigital number, since it uses as much as digits as its factorization.

20012022120001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20012022120001 its reverse (10002122021002), we get a palindrome (30014144141003).

The spelling of 20012022120001 in words is "twenty trillion, twelve billion, twenty-two million, one hundred twenty thousand, one".