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212020120110120 = 23357252404904893
BaseRepresentation
bin110000001101010011000111…
…111100011100010000101000
31000210200220222201020122201120
4300031103013330130100220
5210242214201222010440
62030532410515215240
762441643140414310
oct6015230774342050
91023626881218646
10212020120110120
11616132564a3733
121b942b052a7520
13913c5471bb46a
143a4db85832440
15197a1e3553dd0
hexc0d4c7f1c428

212020120110120 has 64 divisors (see below), whose sum is σ = 726926126094720. Its totient is φ = 48461741739264.

The previous prime is 212020120110061. The next prime is 212020120110173. The reversal of 212020120110120 is 21011021020212.

It is a super-2 number, since 2×2120201201101202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212020120110120.

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, 126202451607 + ... + 126202453286.

It is an arithmetic number, because the mean of its divisors is an integer number (11358220720230).

Almost surely, 2212020120110120 is an apocalyptic number.

212020120110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212020120110120 is an abundant number, since it is smaller than the sum of its proper divisors (514906005984600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212020120110120 is a wasteful number, since it uses less digits than its factorization.

212020120110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252404904914 (or 252404904910 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212020120110120 its reverse (21011021020212), we get a palindrome (233031141130332).

The spelling of 212020120110120 in words is "two hundred twelve trillion, twenty billion, one hundred twenty million, one hundred ten thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 252404904893 504809809786 757214714679 1009619619572 1262024524465 1514429429358 1766834334251 2019239239144 2524049048930 3028858858716 3533668668502 3786073573395 5048098097860 5300503002753 6057717717432 7067337337004 7572147146790 8834171671255 10096196195720 10601006005506 14134674674008 15144294293580 17668343342510 21202012011012 26502515013765 30288588587160 35336686685020 42404024022024 53005030027530 70673373370040 106010060055060 212020120110120