16212136 has 8 divisors (see below), whose sum is σ = 30397770. Its totient is φ = 8106064.

The previous prime is 16212127. The next prime is 16212137. The reversal of 16212136 is 63121261.

16212136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 15952036 + 260100 = 3994^2 + 510^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (16212137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013251 + ... + 1013266.

Almost surely, 2^16212136 is an apocalyptic number.

It is an amenable number.

16212136 is a deficient number, since it is larger than the sum of its proper divisors (14185634).

16212136 is a wasteful number, since it uses less digits than its factorization.

16212136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026523 (or 2026519 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 16212136 is about 4026.4296839756. The cubic root of 16212136 is about 253.0929683798.

Adding to 16212136 its reverse (63121261), we get a palindrome (79333397).

The spelling of 16212136 in words is "sixteen million, two hundred twelve thousand, one hundred thirty-six".