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12120011222010 = 2352353117168857
BaseRepresentation
bin1011000001011110100011…
…1101101010101111111010
31120220122212102100211222220
42300113220331222233322
53042033240333101020
641435504543024510
72360433114404106
oct260275075525772
946818772324886
1012120011222010
11395308240420a
121438b3329b136
1369bbb2005aa3
142dc87c606906
15160408d91240
hexb05e8f6abfa

12120011222010 has 32 divisors (see below), whose sum is σ = 29089264784832. Its totient is φ = 3231865453440.

The previous prime is 12120011221943. The next prime is 12120011222041. The reversal of 12120011222010 is 1022211002121.

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

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, 7878499 + ... + 9290358.

It is an arithmetic number, because the mean of its divisors is an integer number (909039524526).

Almost surely, 212120011222010 is an apocalyptic number.

12120011222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120011222010 is an abundant number, since it is smaller than the sum of its proper divisors (16969253562822).

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

12120011222010 is a wasteful number, since it uses less digits than its factorization.

12120011222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17192398.

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

Adding to 12120011222010 its reverse (1022211002121), we get a palindrome (13142222224131).

The spelling of 12120011222010 in words is "twelve trillion, one hundred twenty billion, eleven million, two hundred twenty-two thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 23531 47062 70593 117655 141186 235310 352965 705930 17168857 34337714 51506571 85844285 103013142 171688570 257532855 515065710 404000374067 808000748134 1212001122201 2020001870335 2424002244402 4040003740670 6060005611005 12120011222010