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212020122201222 = 23375381122219147
BaseRepresentation
bin110000001101010011001000…
…000100011010110010000110
31000210200220222212011220011210
4300031103020010122302012
5210242214202240414342
62030532411032112250
762441643164243646
oct6015231004326206
91023626885156153
10212020122201222
11616132576a1815
121b942b05b35686
13913c5477711ba
143a4db85c18526
15197a1e381879c
hexc0d4c811ac86

212020122201222 has 64 divisors (see below), whose sum is σ = 444264931885824. Its totient is φ = 67382670925440.

The previous prime is 212020122201191. The next prime is 212020122201227. The reversal of 212020122201222 is 222102221020212.

It is a super-2 number, since 2×2120201222012222 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020122201227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1567348 + ... + 20651799.

It is an arithmetic number, because the mean of its divisors is an integer number (6941639560716).

Almost surely, 2212020122201222 is an apocalyptic number.

212020122201222 is an abundant number, since it is smaller than the sum of its proper divisors (232244809684602).

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

212020122201222 is a wasteful number, since it uses less digits than its factorization.

212020122201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22220053.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212020122201222 its reverse (222102221020212), we get a palindrome (434122343221434).

The spelling of 212020122201222 in words is "two hundred twelve trillion, twenty billion, one hundred twenty-two million, two hundred one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 37 53 74 106 111 159 222 318 811 1622 1961 2433 3922 4866 5883 11766 30007 42983 60014 85966 90021 128949 180042 257898 1590371 3180742 4771113 9542226 22219147 44438294 66657441 133314882 822108439 1177614791 1644216878 2355229582 2466325317 3532844373 4932650634 7065688746 18019728217 36039456434 43571747267 54059184651 87143494534 108118369302 130715241801 261430483602 666729944029 955045595501 1333459888058 1910091191002 2000189832087 2865136786503 4000379664174 5730273573006 35336687033537 70673374067074 106010061100611 212020122201222