Base | Representation |
---|---|
bin | 10001101000110001100… |
… | …111100100000001011111 |
3 | 11021212102021201112112020 |
4 | 101220301213210001133 |
5 | 124324200341412343 |
6 | 2324442521511223 |
7 | 153364550330463 |
oct | 21506147440137 |
9 | 4255367645466 |
10 | 1212013232223 |
11 | 428014966292 |
12 | 176a90942513 |
13 | 8a3a5403341 |
14 | 42939bcc4a3 |
15 | 217d96c1b83 |
hex | 11a319e405f |
1212013232223 has 8 divisors (see below), whose sum is σ = 1701071203200. Its totient is φ = 765482041368.
The previous prime is 1212013232167. The next prime is 1212013232233. The reversal of 1212013232223 is 3222323102121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1212013232223 - 210 = 1212013231199 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1212013232193 and 1212013232202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1212013232233) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 10631694963 + ... + 10631695076.
It is an arithmetic number, because the mean of its divisors is an integer number (212633900400).
Almost surely, 21212013232223 is an apocalyptic number.
1212013232223 is a deficient number, since it is larger than the sum of its proper divisors (489057970977).
1212013232223 is a wasteful number, since it uses less digits than its factorization.
1212013232223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21263390061.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 1212013232223 its reverse (3222323102121), we get a palindrome (4434336334344).
The spelling of 1212013232223 in words is "one trillion, two hundred twelve billion, thirteen million, two hundred thirty-two thousand, two hundred twenty-three".
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