212404413 has 16 divisors (see below), whose sum is σ = 306582080. Its totient is φ = 130028544.

The previous prime is 212404373. The next prime is 212404429. The reversal of 212404413 is 314404212.

It is not a de Polignac number, because 212404413 - 2⁶ = 212404349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212404413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212404453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6583 + ... + 21636.

It is an arithmetic number, because the mean of its divisors is an integer number (19161380).

Almost surely, 2^212404413 is an apocalyptic number.

It is an amenable number.

212404413 is a deficient number, since it is larger than the sum of its proper divisors (94177667).

212404413 is a wasteful number, since it uses less digits than its factorization.

212404413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28428.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 212404413 is about 14574.1007612820. The cubic root of 212404413 is about 596.6521068754.

Adding to 212404413 its reverse (314404212), we get a palindrome (526808625).

The spelling of 212404413 in words is "two hundred twelve million, four hundred four thousand, four hundred thirteen".