Base | Representation |
---|---|
bin | 110111111110100110… |
… | …1001100100110010000 |
3 | 102111021210111002210022 |
4 | 1233331031030212100 |
5 | 3432143311241422 |
6 | 131120312523012 |
7 | 11453653641416 |
oct | 1577515144620 |
9 | 374253432708 |
10 | 120212212112 |
11 | 46a88729233 |
12 | 1b36a9b0468 |
13 | b44a159075 |
14 | 5b655c72b6 |
15 | 31d8923342 |
hex | 1bfd34c990 |
120212212112 has 40 divisors (see below), whose sum is σ = 233704759200. Its totient is φ = 59901633792.
The previous prime is 120212212111. The next prime is 120212212117. The reversal of 120212212112 is 211212212021.
It is not an unprimeable number, because it can be changed into a prime (120212212111) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6271439 + ... + 6290577.
It is an arithmetic number, because the mean of its divisors is an integer number (5842618980).
Almost surely, 2120212212112 is an apocalyptic number.
It is an amenable number.
120212212112 is a deficient number, since it is larger than the sum of its proper divisors (113492547088).
120212212112 is a wasteful number, since it uses less digits than its factorization.
120212212112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20463 (or 20457 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 120212212112 its reverse (211212212021), we get a palindrome (331424424133).
Subtracting 120212212112 from its reverse (211212212021), we obtain a palindrome (90999999909).
The spelling of 120212212112 in words is "one hundred twenty billion, two hundred twelve million, two hundred twelve thousand, one hundred twelve".
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