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12212110000212 = 2231017675833351
BaseRepresentation
bin1011000110110101101001…
…1110101000000001010100
31121020110120221110112120020
42301231122132220001110
53100040400130001322
641550055455305140
72400203320165413
oct261553236500124
947213527415506
1012212110000212
1139891437a9441
121452956b1b1b0
136a779b8a8a55
143030d815347a
151629e95e305c
hexb1b5a7a8054

12212110000212 has 12 divisors (see below), whose sum is σ = 28494923333856. Its totient is φ = 4070703333400.

The previous prime is 12212110000171. The next prime is 12212110000217. The reversal of 12212110000212 is 21200001121221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12212110000191 and 12212110000200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212110000217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508837916664 + ... + 508837916687.

It is an arithmetic number, because the mean of its divisors is an integer number (2374576944488).

Almost surely, 212212110000212 is an apocalyptic number.

12212110000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12212110000212 is an abundant number, since it is smaller than the sum of its proper divisors (16282813333644).

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

12212110000212 is a wasteful number, since it uses less digits than its factorization.

12212110000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017675833358 (or 1017675833356 counting only the distinct ones).

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

Adding to 12212110000212 its reverse (21200001121221), we get a palindrome (33412111121433).

The spelling of 12212110000212 in words is "twelve trillion, two hundred twelve billion, one hundred ten million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 1017675833351 2035351666702 3053027500053 4070703333404 6106055000106 12212110000212