122022112121212 has 12 divisors (see below), whose sum is σ = 213594146432856. Its totient is φ = 60995213140400.

The previous prime is 122022112121167. The next prime is 122022112121213. The reversal of 122022112121212 is 212121211220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122022112121213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3960712723 + ... + 3960743530.

It is an arithmetic number, because the mean of its divisors is an integer number (17799512202738).

Almost surely, 2^{122022112121212} is an apocalyptic number.

It is an amenable number.

122022112121212 is a deficient number, since it is larger than the sum of its proper divisors (91572034311644).

122022112121212 is a wasteful number, since it uses less digits than its factorization.

122022112121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7921460108 (or 7921460106 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 122022112121212 its reverse (212121211220221), we get a palindrome (334143323341433).

Subtracting 122022112121212 from its reverse (212121211220221), we obtain a palindrome (90099099099009).

The spelling of 122022112121212 in words is "one hundred twenty-two trillion, twenty-two billion, one hundred twelve million, one hundred twenty-one thousand, two hundred twelve".