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212000120202012 = 22373559143285507
BaseRepresentation
bin110000001101000000011111…
…110110110110001100011100
31000210122000100212220001112020
4300031000133312312030130
5210241402221232431022
62030515302151540140
762440334416122312
oct6015003766661434
91023560325801466
10212000120202012
116160582302775a
121b93b06338a650
13913a6aa8465cc
143a4cc095720b2
15197992280535c
hexc0d01fdb631c

212000120202012 has 48 divisors (see below), whose sum is σ = 501532905844992. Its totient is φ = 69686201819520.

The previous prime is 212000120201981. The next prime is 212000120202067. The reversal of 212000120202012 is 210202021000212.

It is a junction number, because it is equal to n+sod(n) for n = 212000120201982 and 212000120202000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16745038 + ... + 26540469.

It is an arithmetic number, because the mean of its divisors is an integer number (10448602205104).

Almost surely, 2212000120202012 is an apocalyptic number.

It is an amenable number.

212000120202012 is an abundant number, since it is smaller than the sum of its proper divisors (289532785642980).

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

212000120202012 is a wasteful number, since it uses less digits than its factorization.

212000120202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43291178 (or 43291176 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212000120202012 its reverse (210202021000212), we get a palindrome (422202141202224).

The spelling of 212000120202012 in words is "two hundred twelve trillion, one hundred twenty million, two hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 5591 11182 16773 22364 33546 67092 408143 816286 1224429 1632572 2448858 4897716 43285507 86571014 129856521 173142028 259713042 519426084 3159842011 6319684022 9479526033 12639368044 18959052066 37918104132 242009269637 484018539274 726027808911 968037078548 1452055617822 2904111235644 17666676683501 35333353367002 53000030050503 70666706734004 106000060101006 212000120202012