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212212323212212 = 221910154797152051
BaseRepresentation
bin110000010000000110001000…
…001001000101101110110100
31000211101022002200021220000101
4300100012020021011232310
5210303341314220242322
62031200555002523444
762461556125005451
oct6020061011055664
91024338080256011
10212212323212212
11616878170a9054
121b974205806584
1391546c809977b
143a591ba1d8828
1519801e224b327
hexc10188245bb4

212212323212212 has 96 divisors (see below), whose sum is σ = 395924568399360. Its totient is φ = 99240195600000.

The previous prime is 212212323212203. The next prime is 212212323212213.

212212323212212 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212323212213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4076981587 + ... + 4077033637.

It is an arithmetic number, because the mean of its divisors is an integer number (4124214254160).

Almost surely, 2212212323212212 is an apocalyptic number.

It is an amenable number.

212212323212212 is a deficient number, since it is larger than the sum of its proper divisors (183712245187148).

212212323212212 is a wasteful number, since it uses less digits than its factorization.

212212323212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53693 (or 53691 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The spelling of 212212323212212 in words is "two hundred twelve trillion, two hundred twelve billion, three hundred twenty-three million, two hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 101 202 404 547 971 1094 1919 1942 2188 3838 3884 7676 10393 18449 20786 36898 41572 52051 55247 73796 98071 104102 110494 196142 208204 220988 392284 531137 988969 1049693 1062274 1863349 1977938 2099386 2124548 3726698 3955876 4198772 5257151 7453396 10091603 10514302 20183206 21028604 28471897 40366412 50541521 53644837 56943794 99885869 101083042 107289674 113887588 199771738 202166084 214579348 399543476 540966043 960288899 1019251903 1081932086 1920577798 2038503806 2163864172 2875661597 3841155596 4077007612 5104693621 5751323194 10209387242 11502646388 20418774484 27646211987 54637570343 55292423974 96989178799 109275140686 110584847948 193978357598 218550281372 387956715196 525278027753 1050556055506 2101112111012 2792267410687 5584534821374 11169069642748 53053080803053 106106161606106 212212323212212