| Base | Representation |
|---|---|
| bin | 10000001011101001000… |
| … | …101111001110100000100 |
| 3 | 10221022022001010211000020 |
| 4 | 100023221011321310010 |
| 5 | 121204400110414340 |
| 6 | 2210503520415140 |
| 7 | 143224461516234 |
| oct | 20135105716404 |
| 9 | 3838261124006 |
| 10 | 1112012201220 |
| 11 | 399668996618 |
| 12 | 15b6227774b0 |
| 13 | 80b2962254b |
| 14 | 3bb7097dcc4 |
| 15 | 1ddd53319d0 |
| hex | 102e9179d04 |
1112012201220 has 96 divisors (see below), whose sum is σ = 3141712006272. Its totient is φ = 293863385088.
The previous prime is 1112012201203. The next prime is 1112012201357. The reversal of 1112012201220 is 221022102111.
It is a super-3 number, since 3×11120122012203 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 1112012201220.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60285319 + ... + 60303761.
It is an arithmetic number, because the mean of its divisors is an integer number (32726166732).
Almost surely, 21112012201220 is an apocalyptic number.
1112012201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1112012201220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1570856003136).
1112012201220 is an abundant number, since it is smaller than the sum of its proper divisors (2029699805052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1112012201220 is a wasteful number, since it uses less digits than its factorization.
1112012201220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27461 (or 27459 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 1112012201220 its reverse (221022102111), we get a palindrome (1333034303331).
The spelling of 1112012201220 in words is "one trillion, one hundred twelve billion, twelve million, two hundred one thousand, two hundred twenty".
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