12201210122 has 8 divisors (see below), whose sum is σ = 18357108672. Its totient is φ = 6082173900.

The previous prime is 12201210103. The next prime is 12201210127. The reversal of 12201210122 is 22101210221.

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 = 12201210097 and 12201210106.

It is not an unprimeable number, because it can be changed into a prime (12201210127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9214754 + ... + 9216077.

It is an arithmetic number, because the mean of its divisors is an integer number (2294638584).

Almost surely, 2^12201210122 is an apocalyptic number.

12201210122 is a deficient number, since it is larger than the sum of its proper divisors (6155898550).

12201210122 is a wasteful number, since it uses less digits than its factorization.

12201210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18431164.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12201210122 its reverse (22101210221), we get a palindrome (34302420343).

Subtracting 12201210122 from its reverse (22101210221), we obtain a palindrome (9900000099).

The spelling of 12201210122 in words is "twelve billion, two hundred one million, two hundred ten thousand, one hundred twenty-two".