Base | Representation |
---|---|
bin | 1011000111011010100000… |
… | …0001110011011011110111 |
3 | 1121021102010021010111120100 |
4 | 2301312220001303123313 |
5 | 3100221124224032411 |
6 | 41554413150005143 |
7 | 2401003402261116 |
oct | 261665001633367 |
9 | 47242107114510 |
10 | 12222001002231 |
11 | 3992359a36679 |
12 | 14548574a67b3 |
13 | 6a86b6b21c77 |
14 | 303795a21c7d |
15 | 162dc7b20456 |
hex | b1da80736f7 |
12222001002231 has 12 divisors (see below), whose sum is σ = 17654032474000. Its totient is φ = 8147986348320.
The previous prime is 12222001002227. The next prime is 12222001002329. The reversal of 12222001002231 is 13220010022221.
12222001002231 is a `hidden beast` number, since 1 + 222 + 200 + 10 + 0 + 2 + 231 = 666.
It is not a de Polignac number, because 12222001002231 - 22 = 12222001002227 is a prime.
It is a super-2 number, since 2×122220010022312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12222001002031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7702395 + ... + 9152643.
Almost surely, 212222001002231 is an apocalyptic number.
12222001002231 is a deficient number, since it is larger than the sum of its proper divisors (5432031471769).
12222001002231 is a wasteful number, since it uses less digits than its factorization.
12222001002231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2386646 (or 2386643 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 12222001002231 its reverse (13220010022221), we get a palindrome (25442011024452).
The spelling of 12222001002231 in words is "twelve trillion, two hundred twenty-two billion, one million, two thousand, two hundred thirty-one".
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