212404016 has 20 divisors (see below), whose sum is σ = 448945224. Its totient is φ = 96547200.

The previous prime is 212404007. The next prime is 212404079. The reversal of 212404016 is 610404212.

212404016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603245 + ... + 603596.

Almost surely, 2^212404016 is an apocalyptic number.

It is an amenable number.

212404016 is an abundant number, since it is smaller than the sum of its proper divisors (236541208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212404016 is a wasteful number, since it uses less digits than its factorization.

212404016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206860 (or 1206854 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 212404016 is about 14574.0871412243. The cubic root of 212404016 is about 596.6517351458.

Adding to 212404016 its reverse (610404212), we get a palindrome (822808228).

The spelling of 212404016 in words is "two hundred twelve million, four hundred four thousand, sixteen".