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12210020000010 = 2325779272989897
BaseRepresentation
bin1011000110101101110111…
…1001111010000100001010
31121020021012021202112021100
42301223131321322010022
53100022110110000020
641545112235322230
72400100451400360
oct261533571720412
947207167675240
1012210020000010
113988270a80348
121452472bb0376
136a75278ac641
14302d7a74b630
15162925da3a90
hexb1adde7a10a

12210020000010 has 192 divisors, whose sum is σ = 36754329830400. Its totient is φ = 2754493986816.

The previous prime is 12210019999939. The next prime is 12210020000051. The reversal of 12210020000010 is 1000002001221.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12210019999947 and 12210020000001.

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 95 ways as a sum of consecutive naturals, for example, 135777382 + ... + 135867278.

It is an arithmetic number, because the mean of its divisors is an integer number (191428801200).

Almost surely, 212210020000010 is an apocalyptic number.

12210020000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210020000010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18377164915200).

12210020000010 is an abundant number, since it is smaller than the sum of its proper divisors (24544309830390).

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

12210020000010 is a wasteful number, since it uses less digits than its factorization.

12210020000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92725 (or 92722 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12210020000010 its reverse (1000002001221), we get a palindrome (13210022001231).

The spelling of 12210020000010 in words is "twelve trillion, two hundred ten billion, twenty million, ten", and thus it is an aban number.