201201212201 has 16 divisors (see below), whose sum is σ = 221020591680. Its totient is φ = 181640982720.

The previous prime is 201201212161. The next prime is 201201212203. The reversal of 201201212201 is 102212102102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201201212201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201201212203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801815 + ... + 1022403.

It is an arithmetic number, because the mean of its divisors is an integer number (13813786980).

Almost surely, 2^201201212201 is an apocalyptic number.

It is an amenable number.

201201212201 is a deficient number, since it is larger than the sum of its proper divisors (19819379479).

201201212201 is a wasteful number, since it uses less digits than its factorization.

201201212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221176.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201201212201 its reverse (102212102102), we get a palindrome (303413314303).

It can be divided in two parts, 20120 and 1212201, that added together give a palindrome (1232321).

The spelling of 201201212201 in words is "two hundred one billion, two hundred one million, two hundred twelve thousand, two hundred one".