202212101213 has 4 divisors (see below), whose sum is σ = 202286638428. Its totient is φ = 202137564000.

The previous prime is 202212101107. The next prime is 202212101227. The reversal of 202212101213 is 312101212202.

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 186163772089 + 16048329124 = 431467^2 + 126682^2 .

It is a cyclic number.

It is not a de Polignac number, because 202212101213 - 2¹² = 202212097117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202212101191 and 202212101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212101263) 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, 37264538 + ... + 37269963.

It is an arithmetic number, because the mean of its divisors is an integer number (50571659607).

Almost surely, 2^202212101213 is an apocalyptic number.

It is an amenable number.

202212101213 is a deficient number, since it is larger than the sum of its proper divisors (74537215).

202212101213 is an equidigital number, since it uses as much as digits as its factorization.

202212101213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74537214.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 202212101213 its reverse (312101212202), we get a palindrome (514313313415).

The spelling of 202212101213 in words is "two hundred two billion, two hundred twelve million, one hundred one thousand, two hundred thirteen".