20122201202112 has 84 divisors (see below), whose sum is σ = 57682186286400. Its totient is φ = 6706757332992.

The previous prime is 20122201202071. The next prime is 20122201202179. The reversal of 20122201202112 is 21120210222102.

It is a happy number.

It is a super-3 number, since 3×20122201202112³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4357264 + ... + 7696112.

Almost surely, 2^{20122201202112} is an apocalyptic number.

It is an amenable number.

20122201202112 is an abundant number, since it is smaller than the sum of its proper divisors (37559985084288).

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

20122201202112 is a wasteful number, since it uses less digits than its factorization.

20122201202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349330 (or 3349317 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20122201202112 its reverse (21120210222102), we get a palindrome (41242411424214).

The spelling of 20122201202112 in words is "twenty trillion, one hundred twenty-two billion, two hundred one million, two hundred two thousand, one hundred twelve".