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12130231230200 = 235287559692689
BaseRepresentation
bin1011000010000100101000…
…0111111001111011111000
31120221122020200010001121202
42300201022013321323320
53042220203143331300
641444315025153332
72361244303135256
oct260411207717370
946848220101552
1012130231230200
113957447327676
12143ab05a8b848
1369cb50464605
142dd16ba795d6
1516080620bad5
hexb084a1f9ef8

12130231230200 has 48 divisors (see below), whose sum is σ = 28203150426000. Its totient is φ = 4852030072320.

The previous prime is 12130231230181. The next prime is 12130231230233. The reversal of 12130231230200 is 203213203121.

12130231230200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17165456 + ... + 17858144.

It is an arithmetic number, because the mean of its divisors is an integer number (587565633875).

Almost surely, 212130231230200 is an apocalyptic number.

12130231230200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12130231230200 is an abundant number, since it is smaller than the sum of its proper divisors (16072919195800).

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

12130231230200 is a wasteful number, since it uses less digits than its factorization.

12130231230200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780264 (or 780255 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12130231230200 its reverse (203213203121), we get a palindrome (12333444433321).

The spelling of 12130231230200 in words is "twelve trillion, one hundred thirty billion, two hundred thirty-one million, two hundred thirty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 87559 175118 350236 437795 692689 700472 875590 1385378 1751180 2188975 2770756 3463445 3502360 4377950 5541512 6926890 8755900 13853780 17317225 17511800 27707560 34634450 69268900 138537800 60651156151 121302312302 242604624604 303255780755 485209249208 606511561510 1213023123020 1516278903775 2426046246040 3032557807550 6065115615100 12130231230200