Base | Representation |
---|---|
bin | 1010111011101110000101… |
… | …1001011000000110011000 |
3 | 1120120012120010111011222010 |
4 | 2232323201121120012120 |
5 | 3033423203101120440 |
6 | 41322230032425520 |
7 | 2350332031145112 |
oct | 256734131300630 |
9 | 46505503434863 |
10 | 12021100020120 |
11 | 3915135632264 |
12 | 142192a0a82a0 |
13 | 69277ac543a9 |
14 | 2d7b7800a3b2 |
15 | 15ca6a528580 |
hex | aeee1658198 |
12021100020120 has 64 divisors (see below), whose sum is σ = 36400340286720. Its totient is φ = 3175667540864.
The previous prime is 12021100020107. The next prime is 12021100020151. The reversal of 12021100020120 is 2102000112021.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 12021100020096 and 12021100020105.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468098532 + ... + 468124211.
It is an arithmetic number, because the mean of its divisors is an integer number (568755316980).
Almost surely, 212021100020120 is an apocalyptic number.
12021100020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12021100020120 is an abundant number, since it is smaller than the sum of its proper divisors (24379240266600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12021100020120 is a wasteful number, since it uses less digits than its factorization.
12021100020120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 936222864 (or 936222860 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 12021100020120 its reverse (2102000112021), we get a palindrome (14123100132141).
The spelling of 12021100020120 in words is "twelve trillion, twenty-one billion, one hundred million, twenty thousand, one hundred twenty".
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