122201100212212 has 48 divisors (see below), whose sum is σ = 244786808448000. Its totient is φ = 52289530470144.

The previous prime is 122201100212173. The next prime is 122201100212291. The reversal of 122201100212212 is 212212001102221.

It is a super-2 number, since 2×122201100212212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122201100212212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62380989 + ... + 64310107.

It is an arithmetic number, because the mean of its divisors is an integer number (5099725176000).

Almost surely, 2^{122201100212212} is an apocalyptic number.

It is an amenable number.

122201100212212 is an abundant number, since it is smaller than the sum of its proper divisors (122585708235788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122201100212212 is a wasteful number, since it uses less digits than its factorization.

122201100212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932688 (or 1932686 counting only the distinct ones).

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

Adding to 122201100212212 its reverse (212212001102221), we get a palindrome (334413101314433).

The spelling of 122201100212212 in words is "one hundred twenty-two trillion, two hundred one billion, one hundred million, two hundred twelve thousand, two hundred twelve".