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12010100000120 = 235793800664557
BaseRepresentation
bin1010111011000101000110…
…1111101000010101111000
31120112011011112000021021222
42232301101233220111320
53033233141100000440
641313210324051212
72346462321420005
oct256612157502570
946464145007258
1012010100000120
113910500390442
12141b77a233b08
13691717020911
142d74131328ac
1515c6249832b5
hexaec51be8578

12010100000120 has 32 divisors (see below), whose sum is σ = 27364784817600. Its totient is φ = 4743229365888.

The previous prime is 12010100000021. The next prime is 12010100000131. The reversal of 12010100000120 is 2100000101021.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 12010100000098 and 12010100000107.

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, 1900329119 + ... + 1900335438.

It is an arithmetic number, because the mean of its divisors is an integer number (855149525550).

Almost surely, 212010100000120 is an apocalyptic number.

12010100000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010100000120 is an abundant number, since it is smaller than the sum of its proper divisors (15354684817480).

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

12010100000120 is a wasteful number, since it uses less digits than its factorization.

12010100000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800664647 (or 3800664643 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12010100000120 its reverse (2100000101021), we get a palindrome (14110100101141).

The spelling of 12010100000120 in words is "twelve trillion, ten billion, one hundred million, one hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 20 40 79 158 316 395 632 790 1580 3160 3800664557 7601329114 15202658228 19003322785 30405316456 38006645570 76013291140 152026582280 300252500003 600505000006 1201010000012 1501262500015 2402020000024 3002525000030 6005050000060 12010100000120