212030201 has 2 divisors, whose sum is σ = 212030202. Its totient is φ = 212030200.

The previous prime is 212030191. The next prime is 212030257. The reversal of 212030201 is 102030212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180096400 + 31933801 = 13420^2 + 5651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212030201 is a prime.

It is a super-2 number, since 2×212030201² = 89913612272200802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212030501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106015100 + 106015101.

It is an arithmetic number, because the mean of its divisors is an integer number (106015101).

Almost surely, 2^212030201 is an apocalyptic number.

It is an amenable number.

212030201 is a deficient number, since it is larger than the sum of its proper divisors (1).

212030201 is an equidigital number, since it uses as much as digits as its factorization.

212030201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 212030201 is about 14561.2568482257. The cubic root of 212030201 is about 596.3015089689.

Adding to 212030201 its sum of digits (11), we get a palindrome (212030212).

Adding to 212030201 its reverse (102030212), we get a palindrome (314060413).

The spelling of 212030201 in words is "two hundred twelve million, thirty thousand, two hundred one".