122201222121212 has 12 divisors (see below), whose sum is σ = 230302303228536. Its totient is φ = 56400564055920.

The previous prime is 122201222121193. The next prime is 122201222121283. The reversal of 122201222121212 is 212121222102221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175011751114 + ... + 1175011751217.

It is an arithmetic number, because the mean of its divisors is an integer number (19191858602378).

Almost surely, 2^{122201222121212} is an apocalyptic number.

It is an amenable number.

122201222121212 is a deficient number, since it is larger than the sum of its proper divisors (108101081107324).

122201222121212 is a wasteful number, since it uses less digits than its factorization.

122201222121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350023502348 (or 2350023502346 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 122201222121212 its reverse (212121222102221), we get a palindrome (334322444223433).

The spelling of 122201222121212 in words is "one hundred twenty-two trillion, two hundred one billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred twelve".