212322202201 has 4 divisors (see below), whose sum is σ = 212851684404. Its totient is φ = 211792720000.

The previous prime is 212322202181. The next prime is 212322202243. The reversal of 212322202201 is 102202223212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 168222202201 + 44100000000 = 410149^2 + 210000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212322202201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212322302201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264740500 + ... + 264741301.

It is an arithmetic number, because the mean of its divisors is an integer number (53212921101).

Almost surely, 2^212322202201 is an apocalyptic number.

It is an amenable number.

212322202201 is a deficient number, since it is larger than the sum of its proper divisors (529482203).

212322202201 is an equidigital number, since it uses as much as digits as its factorization.

212322202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529482202.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212322202201 its reverse (102202223212), we get a palindrome (314524425413).

The spelling of 212322202201 in words is "two hundred twelve billion, three hundred twenty-two million, two hundred two thousand, two hundred one".