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12200010204 = 2231016667517
BaseRepresentation
bin10110101110010110…
…10110000111011100
31011111020110201202210
423113023112013130
5144441200311304
65334332320420
7611220242604
oct132713260734
934436421683
1012200010204
1151a0651268
122445913110
1311c5723665
1483a403c04
154b60ccc89
hex2d72d61dc

12200010204 has 12 divisors (see below), whose sum is σ = 28466690504. Its totient is φ = 4066670064.

The previous prime is 12200010167. The next prime is 12200010217. The reversal of 12200010204 is 40201000221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1016667517 = 12200010204 / (1 + 2 + 2 + 0 + 0 + 0 + 1 + 0 + 2 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 12200010204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508333747 + ... + 508333770.

Almost surely, 212200010204 is an apocalyptic number.

It is an amenable number.

12200010204 is an abundant number, since it is smaller than the sum of its proper divisors (16266680300).

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

12200010204 is a wasteful number, since it uses less digits than its factorization.

12200010204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016667524 (or 1016667522 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12200010204 its reverse (40201000221), we get a palindrome (52401010425).

The spelling of 12200010204 in words is "twelve billion, two hundred million, ten thousand, two hundred four".

Divisors: 1 2 3 4 6 12 1016667517 2033335034 3050002551 4066670068 6100005102 12200010204