103212106 has 8 divisors (see below), whose sum is σ = 155461284. Its totient is φ = 51391680.

The previous prime is 103212103. The next prime is 103212163. The reversal of 103212106 is 601212301.

It can be written as a sum of positive squares in 2 ways, for example, as 98109025 + 5103081 = 9905^2 + 2259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 103212106.

It is not an unprimeable number, because it can be changed into a prime (103212103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106585 + ... + 107548.

Almost surely, 2^103212106 is an apocalyptic number.

103212106 is a deficient number, since it is larger than the sum of its proper divisors (52249178).

103212106 is a wasteful number, since it uses less digits than its factorization.

103212106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214376.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 103212106 is about 10159.3359034929. The cubic root of 103212106 is about 469.0763601964.

Adding to 103212106 its reverse (601212301), we get a palindrome (704424407).

The spelling of 103212106 in words is "one hundred three million, two hundred twelve thousand, one hundred six".