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12300012 = 223437963
BaseRepresentation
bin101110111010…
…111011101100
3212010220110000
4232322323230
511122100022
61115344300
7206356044
oct56727354
925126400
1012300012
116a411aa
124152090
13271871a
1418c2724
15112e6ac
hexbbaeec

12300012 has 30 divisors (see below), whose sum is σ = 32155508. Its totient is φ = 4099896.

The previous prime is 12299977. The next prime is 12300017. The reversal of 12300012 is 21000321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12299967 and 12300003.

It is not an unprimeable number, because it can be changed into a prime (12300017) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18658 + ... + 19305.

Almost surely, 212300012 is an apocalyptic number.

12300012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12300012 is an abundant number, since it is smaller than the sum of its proper divisors (19855496).

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

12300012 is a wasteful number, since it uses less digits than its factorization.

12300012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37979 (or 37968 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 12300012 is about 3507.1372941475. The cubic root of 12300012 is about 230.8350990436.

Adding to 12300012 its reverse (21000321), we get a palindrome (33300333).

The spelling of 12300012 in words is "twelve million, three hundred thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 37963 75926 113889 151852 227778 341667 455556 683334 1025001 1366668 2050002 3075003 4100004 6150006 12300012