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12130020203230 = 2517138283515993
BaseRepresentation
bin1011000010000011110110…
…0010111001101011011110
31120221121200222000210001001
42300200331202321223132
53042214240133000410
641444242050140514
72361236131343266
oct260407542715336
946847628023031
1012130020203230
1139573491a2a16
12143aa6728173a
1369cb18819197
142dd14ba267a6
151607e292533a
hexb083d8b9ade

12130020203230 has 32 divisors (see below), whose sum is σ = 23118603431904. Its totient is φ = 4566553967616.

The previous prime is 12130020203131. The next prime is 12130020203251. The reversal of 12130020203230 is 3230202003121.

It is a junction number, because it is equal to n+sod(n) for n = 12130020203198 and 12130020203207.

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 15 ways as a sum of consecutive naturals, for example, 23250114 + ... + 23766106.

It is an arithmetic number, because the mean of its divisors is an integer number (722456357247).

Almost surely, 212130020203230 is an apocalyptic number.

12130020203230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12130020203230 is a deficient number, since it is larger than the sum of its proper divisors (10988583228674).

12130020203230 is a wasteful number, since it uses less digits than its factorization.

12130020203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654300.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12130020203230 its reverse (3230202003121), we get a palindrome (15360222206351).

The spelling of 12130020203230 in words is "twelve trillion, one hundred thirty billion, twenty million, two hundred three thousand, two hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 138283 276566 515993 691415 1031986 1382830 2350811 2579965 4701622 5159930 8771881 11754055 17543762 23508110 43859405 87718810 71353060019 142706120038 356765300095 713530600190 1213002020323 2426004040646 6065010101615 12130020203230