212106106 has 16 divisors (see below), whose sum is σ = 325361448. Its totient is φ = 103667200.

The previous prime is 212106091. The next prime is 212106109. The reversal of 212106106 is 601601212.

212106106 is digitally balanced in base 3, 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 4 ways, for example, as 162333081 + 49773025 = 12741^2 + 7055^2 .

212106106 is a modest number, since divided by 106106 gives 212 as remainder.

It is not an unprimeable number, because it can be changed into a prime (212106109) 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, 26226 + ... + 33346.

Almost surely, 2^212106106 is an apocalyptic number.

212106106 is a deficient number, since it is larger than the sum of its proper divisors (113255342).

212106106 is a wasteful number, since it uses less digits than its factorization.

212106106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7457.

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

The square root of 212106106 is about 14563.8630177573. The cubic root of 212106106 is about 596.3726574275.

Adding to 212106106 its reverse (601601212), we get a palindrome (813707318).

It can be divided in two parts, 212106 and 106, that added together give a palindrome (212212).

The spelling of 212106106 in words is "two hundred twelve million, one hundred six thousand, one hundred six".