216410012 has 24 divisors (see below), whose sum is σ = 466114656. Its totient is φ = 85612608.

The previous prime is 216410011. The next prime is 216410023. The reversal of 216410012 is 210014612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216410011) 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, 296903 + ... + 297630.

It is an arithmetic number, because the mean of its divisors is an integer number (19421444).

Almost surely, 2^216410012 is an apocalyptic number.

It is an amenable number.

216410012 is an abundant number, since it is smaller than the sum of its proper divisors (249704644).

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

216410012 is a wasteful number, since it uses less digits than its factorization.

216410012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594557 (or 594555 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 216410012 is about 14710.8807350206. The cubic root of 216410012 is about 600.3794007819.

Adding to 216410012 its reverse (210014612), we get a palindrome (426424624).

The spelling of 216410012 in words is "two hundred sixteen million, four hundred ten thousand, twelve".