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12122210101020 = 2235291103694039
BaseRepresentation
bin1011000001100110110000…
…0001101110011100011100
31120220212112122221110221020
42300121230001232130130
53042102241241213040
641440511052404140
72360541444514065
oct260315401563434
946825478843836
1012122210101020
113954000638598
121439447776650
1369c172734126
142dca0a67156c
151604d6e3acd0
hexb066c06e71c

12122210101020 has 48 divisors (see below), whose sum is σ = 33942353786880. Its totient is φ = 3232573598016.

The previous prime is 12122210100971. The next prime is 12122210101039. The reversal of 12122210101020 is 2010101222121.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 17119161 + ... + 17813199.

It is an arithmetic number, because the mean of its divisors is an integer number (707132370560).

Almost surely, 212122210101020 is an apocalyptic number.

12122210101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122210101020 is an abundant number, since it is smaller than the sum of its proper divisors (21820143685860).

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

12122210101020 is a wasteful number, since it uses less digits than its factorization.

12122210101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985154 (or 985152 counting only the distinct ones).

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

Adding to 12122210101020 its reverse (2010101222121), we get a palindrome (14132311323141).

The spelling of 12122210101020 in words is "twelve trillion, one hundred twenty-two billion, two hundred ten million, one hundred one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 291103 582206 694039 873309 1164412 1388078 1455515 1746618 2082117 2776156 2911030 3470195 3493236 4164234 4366545 5822060 6940390 8328468 8733090 10410585 13880780 17466180 20821170 41642340 202036835017 404073670034 606110505051 808147340068 1010184175085 1212221010102 2020368350170 2424442020204 3030552525255 4040736700340 6061105050510 12122210101020