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12101010222120 = 2335100841751851
BaseRepresentation
bin1011000000010111110001…
…1010100110110000101000
31120211211211012122001021020
42300011330122212300220
53041230332104101440
641423043301412440
72356161212515011
oct260057432466050
946754735561236
1012101010222120
113946011885816
12143530ba0a120
1369a1745a81a1
142db998c8c008
1515eb95baa3d0
hexb017c6a6c28

12101010222120 has 32 divisors (see below), whose sum is σ = 36303030666720. Its totient is φ = 3226936059200.

The previous prime is 12101010222113. The next prime is 12101010222143. The reversal of 12101010222120 is 2122201010121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12101010222120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50420875806 + ... + 50420876045.

It is an arithmetic number, because the mean of its divisors is an integer number (1134469708335).

Almost surely, 212101010222120 is an apocalyptic number.

12101010222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101010222120 is an abundant number, since it is smaller than the sum of its proper divisors (24202020444600).

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

12101010222120 is a wasteful number, since it uses less digits than its factorization.

12101010222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100841751865 (or 100841751861 counting only the distinct ones).

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

Adding to 12101010222120 its reverse (2122201010121), we get a palindrome (14223211232241).

It can be divided in two parts, 12101010 and 222120, that added together give a triangular number (12323130 = T4964).

The spelling of 12101010222120 in words is "twelve trillion, one hundred one billion, ten million, two hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 100841751851 201683503702 302525255553 403367007404 504208759255 605050511106 806734014808 1008417518510 1210101022212 1512626277765 2016835037020 2420202044424 3025252555530 4033670074040 6050505111060 12101010222120