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12203230000 = 24541393871
BaseRepresentation
bin10110101110101111…
…01000001100110000
31011111110112022111111
423113113220030300
5144443011330000
65334525323104
7611256513013
oct132727501460
934443468444
1012203230000
1151a2450355
122446a06494
1311c62b0070
1483aa0137a
154b6516cba
hex2d75e8330

12203230000 has 100 divisors (see below), whose sum is σ = 31818289888. Its totient is φ = 4505760000.

The previous prime is 12203229989. The next prime is 12203230033. The reversal of 12203230000 is 3230221.

It is a happy number.

12203230000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 83065 + ... + 176935.

Almost surely, 212203230000 is an apocalyptic number.

12203230000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12203230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15909144944).

12203230000 is an abundant number, since it is smaller than the sum of its proper divisors (19615059888).

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

12203230000 is an equidigital number, since it uses as much as digits as its factorization.

12203230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93912 (or 93891 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 12203230000 its reverse (3230221), we get a palindrome (12206460221).

The spelling of 12203230000 in words is "twelve billion, two hundred three million, two hundred thirty thousand".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 125 130 200 208 250 260 325 400 500 520 625 650 1000 1040 1250 1300 1625 2000 2500 2600 3250 5000 5200 6500 8125 10000 13000 16250 26000 32500 65000 93871 130000 187742 375484 469355 750968 938710 1220323 1501936 1877420 2346775 2440646 3754840 4693550 4881292 6101615 7509680 9387100 9762584 11733875 12203230 18774200 19525168 23467750 24406460 30508075 37548400 46935500 48812920 58669375 61016150 93871000 97625840 117338750 122032300 152540375 187742000 234677500 244064600 305080750 469355000 488129200 610161500 762701875 938710000 1220323000 1525403750 2440646000 3050807500 6101615000 12203230000