201212302322 has 4 divisors (see below), whose sum is σ = 301818453486. Its totient is φ = 100606151160.

The previous prime is 201212302309. The next prime is 201212302327. The reversal of 201212302322 is 223203212102.

It is a happy number.

201212302322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 179234536321 + 21977766001 = 423361^2 + 148249^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201212302294 and 201212302303.

It is not an unprimeable number, because it can be changed into a prime (201212302327) by changing a digit.

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, 50303075579 + ... + 50303075582.

Almost surely, 2^201212302322 is an apocalyptic number.

201212302322 is a deficient number, since it is larger than the sum of its proper divisors (100606151164).

201212302322 is a wasteful number, since it uses less digits than its factorization.

201212302322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100606151163.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201212302322 its reverse (223203212102), we get a palindrome (424415514424).

The spelling of 201212302322 in words is "two hundred one billion, two hundred twelve million, three hundred two thousand, three hundred twenty-two".