Base | Representation |
---|---|
bin | 110111111110100110… |
… | …0110010000010010000 |
3 | 102111021210021120112200 |
4 | 1233331030302002100 |
5 | 3432143244301222 |
6 | 131120310323200 |
7 | 11453653006260 |
oct | 1577514620220 |
9 | 374253246480 |
10 | 120212103312 |
11 | 46a88664514 |
12 | 1b36a959500 |
13 | b44a11b6a2 |
14 | 5b655997a0 |
15 | 31d8900eac |
hex | 1bfd332090 |
120212103312 has 60 divisors (see below), whose sum is σ = 384487920960. Its totient is φ = 34346314944.
The previous prime is 120212103311. The next prime is 120212103313. The reversal of 120212103312 is 213301212021.
120212103312 is a `hidden beast` number, since 120 + 2 + 1 + 210 + 331 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (120212103311) and next prime (120212103313).
It is a super-2 number, since 2×1202121033122 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (120212103311) 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, 59628012 + ... + 59630027.
It is an arithmetic number, because the mean of its divisors is an integer number (6408132016).
Almost surely, 2120212103312 is an apocalyptic number.
120212103312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120212103312 is an abundant number, since it is smaller than the sum of its proper divisors (264275817648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120212103312 is a wasteful number, since it uses less digits than its factorization.
120212103312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119258060 (or 119258051 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 120212103312 its reverse (213301212021), we get a palindrome (333513315333).
The spelling of 120212103312 in words is "one hundred twenty billion, two hundred twelve million, one hundred three thousand, three hundred twelve".
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