16212106 has 4 divisors (see below), whose sum is σ = 24318162. Its totient is φ = 8106052.

The previous prime is 16212103. The next prime is 16212107. The reversal of 16212106 is 60121261.

16212106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60121261 = 191 ⋅314771.

It can be written as a sum of positive squares in only one way, i.e., 15531481 + 680625 = 3941^2 + 825^2 .

It is not an unprimeable number, because it can be changed into a prime (16212103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4053025 + ... + 4053028.

Almost surely, 2^16212106 is an apocalyptic number.

16212106 is a deficient number, since it is larger than the sum of its proper divisors (8106056).

16212106 is an equidigital number, since it uses as much as digits as its factorization.

16212106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8106055.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 16212106 is about 4026.4259585891. The cubic root of 16212106 is about 253.0928122664.

Adding to 16212106 its reverse (60121261), we get a palindrome (76333367).

The spelling of 16212106 in words is "sixteen million, two hundred twelve thousand, one hundred six".