122201122010212 has 72 divisors (see below), whose sum is σ = 252727303197600. Its totient is φ = 51539605197696.

The previous prime is 122201122010171. The next prime is 122201122010237. The reversal of 122201122010212 is 212010221102221.

It is a super-2 number, since 2×122201122010212² (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 122201122010212.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8815464 + ... + 17947552.

It is an arithmetic number, because the mean of its divisors is an integer number (3510101433300).

Almost surely, 2^{122201122010212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122201122010212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126363651598800).

122201122010212 is an abundant number, since it is smaller than the sum of its proper divisors (130526181187388).

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

122201122010212 is a wasteful number, since it uses less digits than its factorization.

122201122010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9133193 (or 9133184 counting only the distinct ones).

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

Adding to 122201122010212 its reverse (212010221102221), we get a palindrome (334211343112433).

The spelling of 122201122010212 in words is "one hundred twenty-two trillion, two hundred one billion, one hundred twenty-two million, ten thousand, two hundred twelve".