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212022020012220 = 223451111897980921
BaseRepresentation
bin110000001101010100111001…
…001011111111100010111100
31000210201002220010020200110000
4300031110321023333202330
5210242232044110342340
62030533323224514300
762442041210335425
oct6015247113774274
91023632803220400
10212022020012220
1161614040992260
121b94335561b990
13913c78a9b95a2
143a4dcc5cb264c
15197a2a5242d30
hexc0d5392ff8bc

212022020012220 has 120 divisors (see below), whose sum is σ = 725586468547248. Its totient is φ = 51399277574400.

The previous prime is 212022020012197. The next prime is 212022020012279. The reversal of 212022020012220 is 22210020220212.

212022020012220 is a `hidden beast` number, since 2 + 1 + 20 + 220 + 200 + 1 + 2 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212022020012193 and 212022020012202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5948972641 + ... + 5949008280.

Almost surely, 2212022020012220 is an apocalyptic number.

212022020012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212022020012220 is an abundant number, since it is smaller than the sum of its proper divisors (513564448535028).

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

212022020012220 is a wasteful number, since it uses less digits than its factorization.

212022020012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11897980953 (or 11897980942 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212022020012220 its reverse (22210020220212), we get a palindrome (234232040232432).

The spelling of 212022020012220 in words is "two hundred twelve trillion, twenty-two billion, twenty million, twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 81 90 99 108 110 132 135 162 165 180 198 220 270 297 324 330 396 405 495 540 594 660 810 891 990 1188 1485 1620 1782 1980 2970 3564 4455 5940 8910 17820 11897980921 23795961842 35693942763 47591923684 59489904605 71387885526 107081828289 118979809210 130877790131 142775771052 178469713815 214163656578 237959618420 261755580262 321245484867 356939427630 392633370393 428327313156 523511160524 535409141445 642490969734 654388950655 713878855260 785266740786 963736454601 1070818282890 1177900111179 1284981939468 1308777901310 1570533481572 1606227424335 1927472909202 1963166851965 2141636565780 2355800222358 2617555802620 3212454848670 3533700333537 3854945818404 3926333703930 4711600444716 4818682273005 5889500555895 6424909697340 7067400667074 7852667407860 9637364546010 10601101000611 11779001111790 14134801334148 17668501667685 19274729092020 21202202001222 23558002223580 35337003335370 42404404002444 53005505003055 70674006670740 106011010006110 212022020012220