| Base | Representation |
|---|---|
| bin | 10000010100000001100… |
| … | …010001110000111110100 |
| 3 | 10222011112021020202002200 |
| 4 | 100110001202032013310 |
| 5 | 121331313111242322 |
| 6 | 2214552542104500 |
| 7 | 143663504404314 |
| oct | 20240142160764 |
| 9 | 3864467222080 |
| 10 | 1121012212212 |
| 11 | 3a2467195032 |
| 12 | 16131487b130 |
| 13 | 819320a7839 |
| 14 | 3c385d99444 |
| 15 | 1e2605118ac |
| hex | 1050188e1f4 |
1121012212212 has 144 divisors (see below), whose sum is σ = 3160022523840. Its totient is φ = 332995193856.
The previous prime is 1121012212207. The next prime is 1121012212217. The reversal of 1121012212212 is 2122122101211.
1121012212212 is a `hidden beast` number, since 11 + 210 + 1 + 221 + 221 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (1121012212207) and next prime (1121012212217).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1121012212217) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21683658 + ... + 21735294.
It is an arithmetic number, because the mean of its divisors is an integer number (21944600860).
Almost surely, 21121012212212 is an apocalyptic number.
1121012212212 is a gapful number since it is divisible by the number (12) 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 1121012212212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580011261920).
1121012212212 is an abundant number, since it is smaller than the sum of its proper divisors (2039010311628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1121012212212 is a wasteful number, since it uses less digits than its factorization.
1121012212212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53550 (or 53545 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
Adding to 1121012212212 its reverse (2122122101211), we get a palindrome (3243134313423).
The spelling of 1121012212212 in words is "one trillion, one hundred twenty-one billion, twelve million, two hundred twelve thousand, two hundred twelve".
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