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12000204 = 2233234831
BaseRepresentation
bin101101110001…
…101111001100
3211120200012000
4231301233030
511033001304
61105112300
7204000006
oct55615714
924520160
1012000204
116856a27
124028690
132642118
141845376
1510c0939
hexb71bcc

12000204 has 48 divisors (see below), whose sum is σ = 32471040. Its totient is φ = 3825360.

The previous prime is 12000133. The next prime is 12000239. The reversal of 12000204 is 40200021.

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

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, 69 + ... + 4899.

It is an arithmetic number, because the mean of its divisors is an integer number (676480).

Almost surely, 212000204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12000204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16235520).

12000204 is an abundant number, since it is smaller than the sum of its proper divisors (20470836).

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

12000204 is a wasteful number, since it uses less digits than its factorization.

12000204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4867 (or 4859 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 12000204 is about 3464.1310598763. The cubic root of 12000204 is about 228.9441458461.

Adding to 12000204 its reverse (40200021), we get a palindrome (52200225).

The spelling of 12000204 in words is "twelve million, two hundred four", and thus it is an aban number.

Divisors: 1 2 3 4 6 9 12 18 23 27 36 46 54 69 92 108 138 207 276 414 621 828 1242 2484 4831 9662 14493 19324 28986 43479 57972 86958 111113 130437 173916 222226 260874 333339 444452 521748 666678 1000017 1333356 2000034 3000051 4000068 6000102 12000204