212210202013 has 4 divisors (see below), whose sum is σ = 212241448348. Its totient is φ = 212178955680.

The previous prime is 212210201971. The next prime is 212210202103. The reversal of 212210202013 is 310202012212.

It is a happy number.

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 84180059044 + 128030142969 = 290138^2 + 357813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212210202013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210203013) 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, 15612978 + ... + 15626563.

It is an arithmetic number, because the mean of its divisors is an integer number (53060362087).

Almost surely, 2^212210202013 is an apocalyptic number.

It is an amenable number.

212210202013 is a deficient number, since it is larger than the sum of its proper divisors (31246335).

212210202013 is an equidigital number, since it uses as much as digits as its factorization.

212210202013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31246334.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212210202013 its reverse (310202012212), we get a palindrome (522412214225).

The spelling of 212210202013 in words is "two hundred twelve billion, two hundred ten million, two hundred two thousand, thirteen".