212304242413 has 8 divisors (see below), whose sum is σ = 212428835640. Its totient is φ = 212179691520.

The previous prime is 212304242407. The next prime is 212304242417. The reversal of 212304242413 is 314242403212.

It can be written as a sum of positive squares in 4 ways, for example, as 16999465924 + 195304776489 = 130382^2 + 441933^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212304242413 - 2⁹ = 212304241901 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 (212304242417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16788573 + ... + 16801213.

It is an arithmetic number, because the mean of its divisors is an integer number (26553604455).

Almost surely, 2^212304242413 is an apocalyptic number.

It is an amenable number.

212304242413 is a deficient number, since it is larger than the sum of its proper divisors (124593227).

212304242413 is a wasteful number, since it uses less digits than its factorization.

212304242413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21167.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 212304242413 its reverse (314242403212), we get a palindrome (526546645625).

The spelling of 212304242413 in words is "two hundred twelve billion, three hundred four million, two hundred forty-two thousand, four hundred thirteen".