Base | Representation |
---|---|
bin | 1011000110110110000111… |
… | …0000110010001111111101 |
3 | 1121020110220110101222211020 |
4 | 2301231201300302033331 |
5 | 3100041122420414323 |
6 | 41550115542414353 |
7 | 2400206332654512 |
oct | 261554160621775 |
9 | 47213813358736 |
10 | 12212232201213 |
11 | 39891a6783900 |
12 | 145298ba313b9 |
13 | 6a77bacc3735 |
14 | 30310a483309 |
15 | 162a051d0ae3 |
hex | b1b61c323fd |
12212232201213 has 12 divisors (see below), whose sum is σ = 17897816890464. Its totient is φ = 7401352849000.
The previous prime is 12212232201181. The next prime is 12212232201227. The reversal of 12212232201213 is 31210223221221.
It is not a de Polignac number, because 12212232201213 - 25 = 12212232201181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12212232201233) 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, 16821256113 + ... + 16821256838.
It is an arithmetic number, because the mean of its divisors is an integer number (1491484740872).
Almost surely, 212212232201213 is an apocalyptic number.
It is an amenable number.
12212232201213 is a deficient number, since it is larger than the sum of its proper divisors (5685584689251).
12212232201213 is a wasteful number, since it uses less digits than its factorization.
12212232201213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33642512976 (or 33642512965 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 12212232201213 its reverse (31210223221221), we get a palindrome (43422455422434).
The spelling of 12212232201213 in words is "twelve trillion, two hundred twelve billion, two hundred thirty-two million, two hundred one thousand, two hundred thirteen".
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