212030312201 has 2 divisors, whose sum is σ = 212030312202. Its totient is φ = 212030312200.

The previous prime is 212030312183. The next prime is 212030312257. The reversal of 212030312201 is 102213030212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211931329600 + 98982601 = 460360^2 + 9949^2 .

It is a cyclic number.

It is not a de Polignac number, because 212030312201 - 2²⁶ = 211963203337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212030312201.

It is not a weakly prime, because it can be changed into another prime (212030312101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106015156100 + 106015156101.

It is an arithmetic number, because the mean of its divisors is an integer number (106015156101).

Almost surely, 2^212030312201 is an apocalyptic number.

It is an amenable number.

212030312201 is a deficient number, since it is larger than the sum of its proper divisors (1).

212030312201 is an equidigital number, since it uses as much as digits as its factorization.

212030312201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212030312201 its reverse (102213030212), we get a palindrome (314243342413).

The spelling of 212030312201 in words is "two hundred twelve billion, thirty million, three hundred twelve thousand, two hundred one".