122101222212212 has 24 divisors (see below), whose sum is σ = 213768024645000. Its totient is φ = 61024645334016.

The previous prime is 122101222212173. The next prime is 122101222212287. The reversal of 122101222212212 is 212212222101221.

It can be written as a sum of positive squares in 4 ways, for example, as 5044489048036 + 117056733164176 = 2245994^2 + 10819276^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336786428 + ... + 337148780.

It is an arithmetic number, because the mean of its divisors is an integer number (8907001026875).

Almost surely, 2^{122101222212212} is an apocalyptic number.

It is an amenable number.

122101222212212 is a deficient number, since it is larger than the sum of its proper divisors (91666802432788).

122101222212212 is a wasteful number, since it uses less digits than its factorization.

122101222212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397955 (or 397953 counting only the distinct ones).

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

Adding to 122101222212212 its reverse (212212222101221), we get a palindrome (334313444313433).

The spelling of 122101222212212 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred twenty-two million, two hundred twelve thousand, two hundred twelve".