12100222 has 8 divisors (see below), whose sum is σ = 18165672. Its totient is φ = 6045000.

The previous prime is 12100219. The next prime is 12100223. The reversal of 12100222 is 22200121.

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 = 12100199 and 12100208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2097 + ... + 5347.

It is an arithmetic number, because the mean of its divisors is an integer number (2270709).

Almost surely, 2^12100222 is an apocalyptic number.

12100222 is a deficient number, since it is larger than the sum of its proper divisors (6065450).

12100222 is a wasteful number, since it uses less digits than its factorization.

12100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 12100222 is about 3478.5373362952. The cubic root of 12100222 is about 229.5784464829.

Adding to 12100222 its reverse (22200121), we get a palindrome (34300343).

The spelling of 12100222 in words is "twelve million, one hundred thousand, two hundred twenty-two".