16212320 has 48 divisors (see below), whose sum is σ = 40325040. Its totient is φ = 6142464.

The previous prime is 16212281. The next prime is 16212337. The reversal of 16212320 is 2321261.

16212320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374 + ... + 5706.

It is an arithmetic number, because the mean of its divisors is an integer number (840105).

Almost surely, 2^16212320 is an apocalyptic number.

16212320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16212320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20162520).

16212320 is an abundant number, since it is smaller than the sum of its proper divisors (24112720).

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

16212320 is a wasteful number, since it uses less digits than its factorization.

16212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367 (or 5359 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 16212320 is about 4026.4525329376. The cubic root of 16212320 is about 253.0939258709.

Adding to 16212320 its reverse (2321261), we get a palindrome (18533581).

The spelling of 16212320 in words is "sixteen million, two hundred twelve thousand, three hundred twenty".