101220122201212 has 12 divisors (see below), whose sum is σ = 202440244402480. Its totient is φ = 43380052371936.

The previous prime is 101220122201131. The next prime is 101220122201213. The reversal of 101220122201212 is 212102221022101.

101220122201212 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 101220122201212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220122201213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1807502182137 + ... + 1807502182192.

Almost surely, 2^{101220122201212} is an apocalyptic number.

It is an amenable number.

101220122201212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

101220122201212 is a wasteful number, since it uses less digits than its factorization.

101220122201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3615004364340 (or 3615004364338 counting only the distinct ones).

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

Adding to 101220122201212 its reverse (212102221022101), we get a palindrome (313322343223313).

The spelling of 101220122201212 in words is "one hundred one trillion, two hundred twenty billion, one hundred twenty-two million, two hundred one thousand, two hundred twelve".