16006212 has 36 divisors (see below), whose sum is σ = 41228460. Its totient is φ = 5234112.

The previous prime is 16006201. The next prime is 16006213. The reversal of 16006212 is 21260061.

It is a happy number.

16006212 is a `hidden beast` number, since 1 + 600 + 62 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12787776 + 3218436 = 3576^2 + 1794^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (16006213) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2287 + ... + 6102.

It is an arithmetic number, because the mean of its divisors is an integer number (1145235).

Almost surely, 2^16006212 is an apocalyptic number.

16006212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16006212 is an abundant number, since it is smaller than the sum of its proper divisors (25222248).

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

16006212 is a wasteful number, since it uses less digits than its factorization.

16006212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8452 (or 8447 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 16006212 is about 4000.7764246456. The cubic root of 16006212 is about 252.0168167160.

Adding to 16006212 its reverse (21260061), we get a palindrome (37266273).

The spelling of 16006212 in words is "sixteen million, six thousand, two hundred twelve".