201212444201 has 4 divisors (see below), whose sum is σ = 201353252100. Its totient is φ = 201071636304.

The previous prime is 201212444171. The next prime is 201212444219. The reversal of 201212444201 is 102444212102.

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 36356955625 + 164855488576 = 190675^2 + 406024^2 .

It is a cyclic number.

It is not a de Polignac number, because 201212444201 - 2¹⁴ = 201212427817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201212444221) 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, 70401806 + ... + 70404663.

It is an arithmetic number, because the mean of its divisors is an integer number (50338313025).

Almost surely, 2^201212444201 is an apocalyptic number.

It is an amenable number.

201212444201 is a deficient number, since it is larger than the sum of its proper divisors (140807899).

201212444201 is a wasteful number, since it uses less digits than its factorization.

201212444201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140807898.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 201212444201 its reverse (102444212102), we get a palindrome (303656656303).

The spelling of 201212444201 in words is "two hundred one billion, two hundred twelve million, four hundred forty-four thousand, two hundred one".