201202212213 has 6 divisors (see below), whose sum is σ = 290625417654. Its totient is φ = 134134808136.

The previous prime is 201202212203. The next prime is 201202212241. The reversal of 201202212213 is 312212202102.

201202212213 is a `hidden beast` number, since 201 + 20 + 221 + 221 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 102139685649 + 99062526564 = 319593^2 + 314742^2 .

It is not a de Polignac number, because 201202212213 - 2⁹ = 201202211701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202212203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11177900670 + ... + 11177900687.

It is an arithmetic number, because the mean of its divisors is an integer number (48437569609).

Almost surely, 2^201202212213 is an apocalyptic number.

It is an amenable number.

201202212213 is a deficient number, since it is larger than the sum of its proper divisors (89423205441).

201202212213 is a wasteful number, since it uses less digits than its factorization.

201202212213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22355801363 (or 22355801360 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201202212213 its reverse (312212202102), we get a palindrome (513414414315).

The spelling of 201202212213 in words is "two hundred one billion, two hundred two million, two hundred twelve thousand, two hundred thirteen".