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12100210210220 = 22511311774224371
BaseRepresentation
bin1011000000010100110010…
…1110110011010110101100
31120211202202110021020020212
42300011030232303112230
53041222212303211340
641422432042401552
72356132326521546
oct260051456632654
946752673236225
1012100210210220
113945741236a60
121435127b002b8
1369a07791ca72
142db92091c696
1515eb4a82ea65
hexb014cbb35ac

12100210210220 has 48 divisors (see below), whose sum is σ = 28614690671616. Its totient is φ = 4258138488000.

The previous prime is 12100210210211. The next prime is 12100210210261. The reversal of 12100210210220 is 2201201200121.

It is a junction number, because it is equal to n+sod(n) for n = 12100210210195 and 12100210210204.

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, 887105366 + ... + 887119005.

It is an arithmetic number, because the mean of its divisors is an integer number (596139388992).

Almost surely, 212100210210220 is an apocalyptic number.

12100210210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100210210220 is an abundant number, since it is smaller than the sum of its proper divisors (16514480461396).

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

12100210210220 is a wasteful number, since it uses less digits than its factorization.

12100210210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774224422 (or 1774224420 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12100210210220 its reverse (2201201200121), we get a palindrome (14301411410341).

The spelling of 12100210210220 in words is "twelve trillion, one hundred billion, two hundred ten million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 31 44 55 62 110 124 155 220 310 341 620 682 1364 1705 3410 6820 1774224371 3548448742 7096897484 8871121855 17742243710 19516468081 35484487420 39032936162 55000955501 78065872324 97582340405 110001911002 195164680810 220003822004 275004777505 390329361620 550009555010 605010510511 1100019110020 1210021021022 2420042042044 3025052552555 6050105105110 12100210210220