201320212 has 6 divisors (see below), whose sum is σ = 352310378. Its totient is φ = 100660104.

The previous prime is 201320183. The next prime is 201320221. The reversal of 201320212 is 212023102.

It can be written as a sum of positive squares in only one way, i.e., 174134416 + 27185796 = 13196^2 + 5214^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201320192 and 201320201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25165023 + ... + 25165030.

Almost surely, 2^201320212 is an apocalyptic number.

It is an amenable number.

201320212 is a deficient number, since it is larger than the sum of its proper divisors (150990166).

201320212 is a wasteful number, since it uses less digits than its factorization.

201320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50330057 (or 50330055 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 201320212 is about 14188.7353911474. The cubic root of 201320212 is about 586.0875010574.

Adding to 201320212 its reverse (212023102), we get a palindrome (413343314).

The spelling of 201320212 in words is "two hundred one million, three hundred twenty thousand, two hundred twelve".