12201100022 has 16 divisors (see below), whose sum is σ = 19517636880. Its totient is φ = 5700384768.

The previous prime is 12201099991. The next prime is 12201100049. The reversal of 12201100022 is 22000110221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12201099976 and 12201100012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1286123 + ... + 1295574.

It is an arithmetic number, because the mean of its divisors is an integer number (1219852305).

Almost surely, 2^12201100022 is an apocalyptic number.

12201100022 is a deficient number, since it is larger than the sum of its proper divisors (7316536858).

12201100022 is a wasteful number, since it uses less digits than its factorization.

12201100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581855.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12201100022 its reverse (22000110221), we get a palindrome (34201210243).

The spelling of 12201100022 in words is "twelve billion, two hundred one million, one hundred thousand, twenty-two".