Base | Representation |
---|---|
bin | 110111111011110110… |
… | …1100001000011011100 |
3 | 102111001101000022122112 |
4 | 1233313231201003130 |
5 | 3432001211134322 |
6 | 131103220533152 |
7 | 11451454222322 |
oct | 1576755410334 |
9 | 374041008575 |
10 | 120120021212 |
11 | 46a40690904 |
12 | 1b343b511b8 |
13 | b43401ab39 |
14 | 5b57269d12 |
15 | 31d07b25e2 |
hex | 1bf7b610dc |
120120021212 has 12 divisors (see below), whose sum is σ = 211744417920. Its totient is φ = 59621616096.
The previous prime is 120120021143. The next prime is 120120021233. The reversal of 120120021212 is 212120021021.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109598012 + ... + 109599107.
It is an arithmetic number, because the mean of its divisors is an integer number (17645368160).
Almost surely, 2120120021212 is an apocalyptic number.
It is an amenable number.
120120021212 is a deficient number, since it is larger than the sum of its proper divisors (91624396708).
120120021212 is a wasteful number, since it uses less digits than its factorization.
120120021212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 219197260 (or 219197258 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 120120021212 its reverse (212120021021), we get a palindrome (332240042233).
The spelling of 120120021212 in words is "one hundred twenty billion, one hundred twenty million, twenty-one thousand, two hundred twelve".
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