12201212101122 has 40 divisors (see below), whose sum is σ = 29825185140432. Its totient is φ = 3697336999800.

The previous prime is 12201212101093. The next prime is 12201212101129. The reversal of 12201212101122 is 22110121210221.

12201212101122 is a `hidden beast` number, since 1 + 220 + 121 + 210 + 112 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12201212101095 and 12201212101104.

It is not an unprimeable number, because it can be changed into a prime (12201212101129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3423458404 + ... + 3423461967.

Almost surely, 2^{12201212101122} is an apocalyptic number.

12201212101122 is an abundant number, since it is smaller than the sum of its proper divisors (17623973039310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12201212101122 is a wasteful number, since it uses less digits than its factorization.

12201212101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846920396 (or 6846920387 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12201212101122 its reverse (22110121210221), we get a palindrome (34311333311343).

The spelling of 12201212101122 in words is "twelve trillion, two hundred one billion, two hundred twelve million, one hundred one thousand, one hundred twenty-two".