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101212102112 = 2511539835519
BaseRepresentation
bin101111001000010110…
…1100001110111100000
3100200020122102111202112
41132100231201313200
53124240244231422
6114255102334452
710212062446622
oct1362055416740
9320218374675
10101212102112
1139a18658390
121774788a428
13970c980524
144c82020c12
152975865ee2
hex1790b61de0

101212102112 has 96 divisors (see below), whose sum is σ = 221742904320. Its totient is φ = 45083384320.

The previous prime is 101212102073. The next prime is 101212102127. The reversal of 101212102112 is 211201212101.

101212102112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1012121021122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 18336089 + ... + 18341607.

It is an arithmetic number, because the mean of its divisors is an integer number (2309821920).

Almost surely, 2101212102112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101212102112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110871452160).

101212102112 is an abundant number, since it is smaller than the sum of its proper divisors (120530802208).

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

101212102112 is a wasteful number, since it uses less digits than its factorization.

101212102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6576 (or 6568 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101212102112 its reverse (211201212101), we get a palindrome (312413314213).

The spelling of 101212102112 in words is "one hundred one billion, two hundred twelve million, one hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 53 88 106 176 212 352 424 583 848 983 1166 1696 1966 2332 3932 4664 5519 7864 9328 10813 11038 15728 18656 21626 22076 31456 43252 44152 52099 60709 86504 88304 104198 121418 173008 176608 208396 242836 292507 346016 416792 485672 573089 585014 833584 971344 1146178 1170028 1667168 1942688 2292356 2340056 3217577 4584712 4680112 5425177 6435154 9169424 9360224 10850354 12870308 18338848 21700708 25740616 43401416 51481232 59676947 86802832 102962464 119353894 173605664 238707788 287534381 477415576 575068762 954831152 1150137524 1909662304 2300275048 3162878191 4600550096 6325756382 9201100192 12651512764 25303025528 50606051056 101212102112