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212100010212012 = 223131913710724229
BaseRepresentation
bin110000001110011101100001…
…110000111111101010101100
31000210222120012101120022212020
4300032131201300333222230
5210300021310103241022
62031033222145310140
762450501656160256
oct6016354160775254
91023876171508766
10212100010212012
116164412236872a
121b9564a0335350
139146c396253c0
143a539a3b60cd6
15197c31c06535c
hexc0e761c3faac

212100010212012 has 48 divisors (see below), whose sum is σ = 533247861078240. Its totient is φ = 65227426748928.

The previous prime is 212100010212001. The next prime is 212100010212043. The reversal of 212100010212012 is 210212010001212.

It is a junction number, because it is equal to n+sod(n) for n = 212100010211982 and 212100010212000.

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, 355063687 + ... + 355660542.

It is an arithmetic number, because the mean of its divisors is an integer number (11109330439130).

Almost surely, 2212100010212012 is an apocalyptic number.

It is an amenable number.

212100010212012 is an abundant number, since it is smaller than the sum of its proper divisors (321147850866228).

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

212100010212012 is a wasteful number, since it uses less digits than its factorization.

212100010212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710726162 (or 710726160 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212100010212012 its reverse (210212010001212), we get a palindrome (422312020213224).

The spelling of 212100010212012 in words is "two hundred twelve trillion, one hundred billion, ten million, two hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1913 3826 5739 7652 11478 22956 24869 49738 74607 99476 149214 298428 710724229 1421448458 2132172687 2842896916 4264345374 8528690748 9239414977 18478829954 27718244931 36957659908 55436489862 110872979724 1359615450077 2719230900154 4078846350231 5438461800308 8157692700462 16315385400924 17675000851001 35350001702002 53025002553003 70700003404004 106050005106006 212100010212012