16040212 has 12 divisors (see below), whose sum is σ = 28546560. Its totient is φ = 7884056.

The previous prime is 16040209. The next prime is 16040221. The reversal of 16040212 is 21204061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33748 + ... + 34219.

It is an arithmetic number, because the mean of its divisors is an integer number (2378880).

Almost surely, 2^16040212 is an apocalyptic number.

It is an amenable number.

16040212 is a deficient number, since it is larger than the sum of its proper divisors (12506348).

16040212 is a wasteful number, since it uses less digits than its factorization.

16040212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68030 (or 68028 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 16040212 is about 4005.0233457497. The cubic root of 16040212 is about 252.1951331486.

Adding to 16040212 its reverse (21204061), we get a palindrome (37244273).

The spelling of 16040212 in words is "sixteen million, forty thousand, two hundred twelve".