201201323212 has 6 divisors (see below), whose sum is σ = 352102315628. Its totient is φ = 100600661604.

The previous prime is 201201323203. The next prime is 201201323243. The reversal of 201201323212 is 212323102102.

It is a self number, because there is not a number n which added to its sum of digits gives 201201323212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25150165398 + ... + 25150165405.

Almost surely, 2^201201323212 is an apocalyptic number.

It is an amenable number.

201201323212 is a deficient number, since it is larger than the sum of its proper divisors (150900992416).

201201323212 is a wasteful number, since it uses less digits than its factorization.

201201323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50300330807 (or 50300330805 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201201323212 its reverse (212323102102), we get a palindrome (413524425314).

The spelling of 201201323212 in words is "two hundred one billion, two hundred one million, three hundred twenty-three thousand, two hundred twelve".