12100210 has 8 divisors (see below), whose sum is σ = 21780396. Its totient is φ = 4840080.

The previous prime is 12100201. The next prime is 12100211. The reversal of 12100210 is 1200121.

It can be written as a sum of positive squares in 2 ways, for example, as 11785489 + 314721 = 3433^2 + 561^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12100193 and 12100202.

It is not an unprimeable number, because it can be changed into a prime (12100211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605001 + ... + 605020.

Almost surely, 2^12100210 is an apocalyptic number.

12100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100210 is a deficient number, since it is larger than the sum of its proper divisors (9680186).

12100210 is a wasteful number, since it uses less digits than its factorization.

12100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210028.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 12100210 is about 3478.5356114319. The cubic root of 12100210 is about 229.5783705905.

Adding to 12100210 its reverse (1200121), we get a palindrome (13300331).

The spelling of 12100210 in words is "twelve million, one hundred thousand, two hundred ten".