16243212 has 48 divisors (see below), whose sum is σ = 39070080. Its totient is φ = 5250432.

The previous prime is 16243193. The next prime is 16243223. The reversal of 16243212 is 21234261.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71443 + ... + 71669.

It is an arithmetic number, because the mean of its divisors is an integer number (813960).

Almost surely, 2^16243212 is an apocalyptic number.

16243212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16243212 is an abundant number, since it is smaller than the sum of its proper divisors (22826868).

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

16243212 is a wasteful number, since it uses less digits than its factorization.

16243212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 388 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 16243212 is about 4030.2868384273. The cubic root of 16243212 is about 253.2545777045.

Adding to 16243212 its reverse (21234261), we get a palindrome (37477473).

The spelling of 16243212 in words is "sixteen million, two hundred forty-three thousand, two hundred twelve".