202012202113 has 4 divisors (see below), whose sum is σ = 204012323028. Its totient is φ = 200012081200.

The previous prime is 202012202009. The next prime is 202012202131. The reversal of 202012202113 is 311202210202.

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 175990318144 + 26021883969 = 419512^2 + 161313^2 .

It is a cyclic number.

It is not a de Polignac number, because 202012202113 - 2²⁹ = 201475331201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202012202143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000060306 + ... + 1000060507.

It is an arithmetic number, because the mean of its divisors is an integer number (51003080757).

Almost surely, 2^202012202113 is an apocalyptic number.

It is an amenable number.

202012202113 is a deficient number, since it is larger than the sum of its proper divisors (2000120915).

202012202113 is a wasteful number, since it uses less digits than its factorization.

202012202113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000120914.

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

Adding to 202012202113 its reverse (311202210202), we get a palindrome (513214412315).

The spelling of 202012202113 in words is "two hundred two billion, twelve million, two hundred two thousand, one hundred thirteen".