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12102102000220 = 2251809733436763
BaseRepresentation
bin1011000000011011110101…
…1111011010001001011100
31120211221122022000010021011
42300012331133122021130
53041240101103001340
641423343502145004
72356230240465361
oct260067537321134
946757568003234
1012102102000220
113946522094871
121435575582164
1369a2b983a72b
142dba5dc8a468
1515ec0b96a0ea
hexb01bd7da25c

12102102000220 has 24 divisors (see below), whose sum is σ = 25415819304624. Its totient is φ = 4840573161216.

The previous prime is 12102102000143. The next prime is 12102102000311. The reversal of 12102102000220 is 2200020120121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12102102000220.

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 7 ways as a sum of consecutive naturals, for example, 16356442 + ... + 17080321.

It is an arithmetic number, because the mean of its divisors is an integer number (1058992471026).

Almost surely, 212102102000220 is an apocalyptic number.

12102102000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102102000220 is an abundant number, since it is smaller than the sum of its proper divisors (13313717304404).

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

12102102000220 is a wasteful number, since it uses less digits than its factorization.

12102102000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33454869 (or 33454867 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12102102000220 its reverse (2200020120121), we get a palindrome (14302122120341).

The spelling of 12102102000220 in words is "twelve trillion, one hundred two billion, one hundred two million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 18097 36194 72388 90485 180970 361940 33436763 66873526 133747052 167183815 334367630 668735260 605105100011 1210210200022 2420420400044 3025525500055 6051051000110 12102102000220