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12102130020220 = 2253595209323581
BaseRepresentation
bin1011000000011011111100…
…1010010010111101111100
31120211221201020201200110221
42300012333022102331330
53041240130241121340
641423350342511124
72356231030606342
oct260067712227574
946757636650427
1012102130020220
113946536992699
121435582a354a4
1369a2c259b406
142dba638a1992
1515ec0e15244a
hexb01bf292f7c

12102130020220 has 48 divisors (see below), whose sum is σ = 25490236766400. Its totient is φ = 4826426088960.

The previous prime is 12102130020181. The next prime is 12102130020251. The reversal of 12102130020220 is 2202003120121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12102130020194 and 12102130020203.

It is a congruent number.

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, 37238830 + ... + 37562410.

It is an arithmetic number, because the mean of its divisors is an integer number (531046599300).

Almost surely, 212102130020220 is an apocalyptic number.

12102130020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102130020220 is an abundant number, since it is smaller than the sum of its proper divisors (13388106746180).

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

12102130020220 is a wasteful number, since it uses less digits than its factorization.

12102130020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329158 (or 329156 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12102130020220 its reverse (2202003120121), we get a palindrome (14304133140341).

The spelling of 12102130020220 in words is "twelve trillion, one hundred two billion, one hundred thirty million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 359 718 1436 1795 3590 5209 7180 10418 20836 26045 52090 104180 323581 647162 1294324 1617905 1870031 3235810 3740062 6471620 7480124 9350155 18700310 37400620 116165579 232331158 464662316 580827895 1161655790 1685533429 2323311580 3371066858 6742133716 8427667145 16855334290 33710668580 605106501011 1210213002022 2420426004044 3025532505055 6051065010110 12102130020220