16212912 has 40 divisors (see below), whose sum is σ = 42680304. Its totient is φ = 5301504.

The previous prime is 16212887. The next prime is 16212913. The reversal of 16212912 is 21921261.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (16212913) 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, 643 + ... + 5730.

Almost surely, 2^16212912 is an apocalyptic number.

16212912 is a gapful number since it is divisible by the number (12) 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 16212912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21340152).

16212912 is an abundant number, since it is smaller than the sum of its proper divisors (26467392).

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

16212912 is a wasteful number, since it uses less digits than its factorization.

16212912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6437 (or 6431 counting only the distinct ones).

The product of its digits is 432, while the sum is 24.

The square root of 16212912 is about 4026.5260461097. The cubic root of 16212912 is about 253.0970064455.

The spelling of 16212912 in words is "sixteen million, two hundred twelve thousand, nine hundred twelve".