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12021123000212 = 2227891077547777
BaseRepresentation
bin1010111011101110001011…
…0001000010011110010100
31120120012121201201200201122
42232323202301002132110
53033423224442001322
641322232213143112
72350332430365344
oct256734261023624
946505551650648
1012021123000212
1139151475a8577
12142193592aa98
1369278293c091
142d7b7b0acd24
1515ca6c567442
hexaeee2c42794

12021123000212 has 12 divisors (see below), whose sum is σ = 21044508104340. Its totient is φ = 6008406398976.

The previous prime is 12021123000209. The next prime is 12021123000217. The reversal of 12021123000212 is 21200032112021.

12021123000212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2352033245956 + 9669089754256 = 1533634^2 + 3109516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021123000217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538762733 + ... + 538785044.

It is an arithmetic number, because the mean of its divisors is an integer number (1753709008695).

Almost surely, 212021123000212 is an apocalyptic number.

It is an amenable number.

12021123000212 is a deficient number, since it is larger than the sum of its proper divisors (9023385104128).

12021123000212 is a wasteful number, since it uses less digits than its factorization.

12021123000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077550570 (or 1077550568 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12021123000212 its reverse (21200032112021), we get a palindrome (33221155112233).

The spelling of 12021123000212 in words is "twelve trillion, twenty-one billion, one hundred twenty-three million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 2789 5578 11156 1077547777 2155095554 4310191108 3005280750053 6010561500106 12021123000212