Base | Representation |
---|---|
bin | 111000110111001110… |
… | …0010100010010111011 |
3 | 102200012012021101111112 |
4 | 1301232130110102323 |
5 | 4000041133014321 |
6 | 132033015550535 |
7 | 11552022612224 |
oct | 1615634242273 |
9 | 380165241445 |
10 | 122112001211 |
11 | 4787304a972 |
12 | 1b7bb08b44b |
13 | b690917925 |
14 | 5ca5a3824b |
15 | 329a5dda5b |
hex | 1c6e7144bb |
122112001211 has 16 divisors (see below), whose sum is σ = 125042227200. Its totient is φ = 119219318400.
The previous prime is 122112001177. The next prime is 122112001241. The reversal of 122112001211 is 112100211221.
It is a cyclic number.
It is not a de Polignac number, because 122112001211 - 210 = 122112000187 is a prime.
It is a super-2 number, since 2×1221120012112 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122112001241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4441475 + ... + 4468883.
It is an arithmetic number, because the mean of its divisors is an integer number (7815139200).
Almost surely, 2122112001211 is an apocalyptic number.
122112001211 is a deficient number, since it is larger than the sum of its proper divisors (2930225989).
122112001211 is a wasteful number, since it uses less digits than its factorization.
122112001211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28090.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 122112001211 its reverse (112100211221), we get a palindrome (234212212432).
The spelling of 122112001211 in words is "one hundred twenty-two billion, one hundred twelve million, one thousand, two hundred eleven".
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