121222001201212 has 24 divisors (see below), whose sum is σ = 212279410296800. Its totient is φ = 60570742389696.

The previous prime is 121222001201177. The next prime is 121222001201237. The reversal of 121222001201212 is 212102100222121.

121222001201212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 121222001201212.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 521967214 + ... + 522199402.

Almost surely, 2^{121222001201212} is an apocalyptic number.

It is an amenable number.

121222001201212 is a deficient number, since it is larger than the sum of its proper divisors (91057409095588).

121222001201212 is a wasteful number, since it uses less digits than its factorization.

121222001201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318325 (or 318323 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121222001201212 its reverse (212102100222121), we get a palindrome (333324101423333).

The spelling of 121222001201212 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one million, two hundred one thousand, two hundred twelve".