202112413 has 6 divisors (see below), whose sum is σ = 204143642. Its totient is φ = 200101200.

The previous prime is 202112381. The next prime is 202112429. The reversal of 202112413 is 314211202.

It can be written as a sum of positive squares in 3 ways, for example, as 66552964 + 135559449 = 8158^2 + 11643^2 .

It is not a de Polignac number, because 202112413 - 2⁵ = 202112381 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 (202112453) 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 5 ways as a sum of consecutive naturals, for example, 295 + ... + 20107.

Almost surely, 2^202112413 is an apocalyptic number.

It is an amenable number.

202112413 is a deficient number, since it is larger than the sum of its proper divisors (2031229).

202112413 is an equidigital number, since it uses as much as digits as its factorization.

202112413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20015 (or 19914 counting only the distinct ones).

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

The square root of 202112413 is about 14216.6245290505. The cubic root of 202112413 is about 586.8552521233.

Adding to 202112413 its reverse (314211202), we get a palindrome (516323615).

The spelling of 202112413 in words is "two hundred two million, one hundred twelve thousand, four hundred thirteen".