106172212 has 12 divisors (see below), whose sum is σ = 186302116. Its totient is φ = 52943040.

The previous prime is 106172207. The next prime is 106172249. The reversal of 106172212 is 212271601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 66683556 + 39488656 = 8166^2 + 6284^2 .

It is a super-2 number, since 2×106172212² = 22545077201945888, which contains 22 as substring.

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, 34089 + ... + 37072.

Almost surely, 2^106172212 is an apocalyptic number.

It is an amenable number.

106172212 is a deficient number, since it is larger than the sum of its proper divisors (80129904).

106172212 is a wasteful number, since it uses less digits than its factorization.

106172212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71538 (or 71536 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 106172212 is about 10303.9901009269. The cubic root of 106172212 is about 473.5185043320.

The spelling of 106172212 in words is "one hundred six million, one hundred seventy-two thousand, two hundred twelve".