20210012210207 has 2 divisors, whose sum is σ = 20210012210208. Its totient is φ = 20210012210206.

The previous prime is 20210012210161. The next prime is 20210012210261. The reversal of 20210012210207 is 70201221001202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20210012210207 - 2²⁰ = 20210011161631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20210012210107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105006105103 + 10105006105104.

It is an arithmetic number, because the mean of its divisors is an integer number (10105006105104).

Almost surely, 2^{20210012210207} is an apocalyptic number.

20210012210207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210012210207 is an equidigital number, since it uses as much as digits as its factorization.

20210012210207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 20210012210207 its reverse (70201221001202), we get a palindrome (90411233211409).

The spelling of 20210012210207 in words is "twenty trillion, two hundred ten billion, twelve million, two hundred ten thousand, two hundred seven".