12100022 has 16 divisors (see below), whose sum is σ = 20965392. Its totient is φ = 5176320.

The previous prime is 12100003. The next prime is 12100057. The reversal of 12100022 is 22000121.

12100022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12099982 and 12100009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15803 + ... + 16550.

It is an arithmetic number, because the mean of its divisors is an integer number (1310337).

Almost surely, 2^12100022 is an apocalyptic number.

12100022 is a deficient number, since it is larger than the sum of its proper divisors (8865370).

12100022 is a wasteful number, since it uses less digits than its factorization.

12100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32383.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 12100022 is about 3478.5085884614. The cubic root of 12100022 is about 229.5771816041.

Adding to 12100022 its reverse (22000121), we get a palindrome (34100143).

Subtracting 12100022 from its reverse (22000121), we obtain a palindrome (9900099).

The spelling of 12100022 in words is "twelve million, one hundred thousand, twenty-two".