16042212 has 60 divisors (see below), whose sum is σ = 42621040. Its totient is φ = 5260464.

The previous prime is 16042177. The next prime is 16042223. The reversal of 16042212 is 21224061.

16042212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21339 + ... + 22077.

Almost surely, 2^16042212 is an apocalyptic number.

16042212 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 16042212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21310520).

16042212 is an abundant number, since it is smaller than the sum of its proper divisors (26578828).

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

16042212 is a wasteful number, since it uses less digits than its factorization.

16042212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 16042212 is about 4005.2730244017. The cubic root of 16042212 is about 252.2056145001.

Adding to 16042212 its reverse (21224061), we get a palindrome (37266273).

The spelling of 16042212 in words is "sixteen million, forty-two thousand, two hundred twelve".