445231472122201 has 2 divisors, whose sum is σ = 445231472122202. Its totient is φ = 445231472122200.

The previous prime is 445231472122159. The next prime is 445231472122267. The reversal of 445231472122201 is 102221274132544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 438856453107801 + 6375019014400 = 20948901^2 + 2524880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445231472122201 is a prime.

It is not a weakly prime, because it can be changed into another prime (445231472122291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222615736061100 + 222615736061101.

It is an arithmetic number, because the mean of its divisors is an integer number (222615736061101).

Almost surely, 2^{445231472122201} is an apocalyptic number.

It is an amenable number.

445231472122201 is a deficient number, since it is larger than the sum of its proper divisors (1).

445231472122201 is an equidigital number, since it uses as much as digits as its factorization.

445231472122201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 445231472122201 in words is "four hundred forty-five trillion, two hundred thirty-one billion, four hundred seventy-two million, one hundred twenty-two thousand, two hundred one".