16011212 has 24 divisors (see below), whose sum is σ = 33907104. Its totient is φ = 6458112.

The previous prime is 16011211. The next prime is 16011223. The reversal of 16011212 is 21211061.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (16011211) 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, 16343 + ... + 17294.

It is an arithmetic number, because the mean of its divisors is an integer number (1412796).

Almost surely, 2^16011212 is an apocalyptic number.

It is an amenable number.

16011212 is an abundant number, since it is smaller than the sum of its proper divisors (17895892).

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

16011212 is a wasteful number, since it uses less digits than its factorization.

16011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33665 (or 33663 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 16011212 is about 4001.4012545607. The cubic root of 16011212 is about 252.0430555475.

Adding to 16011212 its reverse (21211061), we get a palindrome (37222273).

The spelling of 16011212 in words is "sixteen million, eleven thousand, two hundred twelve".