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212202012022122 = 2331236802291367
BaseRepresentation
bin110000001111111100100001…
…100011000001010101101010
31000211100022111001222011100010
4300033330201203001111222
5210303204210034201442
62031152131502152350
762461042451226663
oct6017744143012552
91024308431864303
10212202012022122
1161683405767351
121b9722085826b6
139153743a94065
143a588bc9cc36a
15197ecdbdbdb9c
hexc0ff218c156a

212202012022122 has 24 divisors (see below), whose sum is σ = 438536103941088. Its totient is φ = 68452261940760.

The previous prime is 212202012022109. The next prime is 212202012022129. The reversal of 212202012022122 is 221220210202212.

It is not an unprimeable number, because it can be changed into a prime (212202012022129) 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, 18401139918 + ... + 18401151449.

It is an arithmetic number, because the mean of its divisors is an integer number (18272337664212).

Almost surely, 2212202012022122 is an apocalyptic number.

212202012022122 is an abundant number, since it is smaller than the sum of its proper divisors (226334091918966).

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

212202012022122 is a wasteful number, since it uses less digits than its factorization.

212202012022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36802291434 (or 36802291403 counting only the distinct ones).

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

Adding to 212202012022122 its reverse (221220210202212), we get a palindrome (433422222224334).

The spelling of 212202012022122 in words is "two hundred twelve trillion, two hundred two billion, twelve million, twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 31 62 93 186 961 1922 2883 5766 36802291367 73604582734 110406874101 220813748202 1140871032377 2281742064754 3422613097131 6845226194262 35367002003687 70734004007374 106101006011061 212202012022122