122122212201212 has 24 divisors (see below), whose sum is σ = 213944411594256. Its totient is φ = 60995268609408.

The previous prime is 122122212201181. The next prime is 122122212201221. The reversal of 122122212201212 is 212102212221221.

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, 11799083 + ... + 19582205.

It is an arithmetic number, because the mean of its divisors is an integer number (8914350483094).

Almost surely, 2^{122122212201212} is an apocalyptic number.

It is an amenable number.

122122212201212 is a deficient number, since it is larger than the sum of its proper divisors (91822199393044).

122122212201212 is a wasteful number, since it uses less digits than its factorization.

122122212201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7787357 (or 7787355 counting only the distinct ones).

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

Adding to 122122212201212 its reverse (212102212221221), we get a palindrome (334224424422433).

The spelling of 122122212201212 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred twelve million, two hundred one thousand, two hundred twelve".