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12221300200 = 23521033831549
BaseRepresentation
bin10110110000111001…
…00011110111101000
31011112201112101011011
423120130203313220
5200012123101300
65340412513304
7611566223554
oct133034436750
934481471134
1012221300200
1152016727aa
122450a7b834
1311c9c68ca5
1483d186864
154b7dd5eba
hex2d8723de8

12221300200 has 96 divisors (see below), whose sum is σ = 28783872000. Its totient is φ = 4825301760.

The previous prime is 12221300123. The next prime is 12221300233. The reversal of 12221300200 is 200312221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7889026 + ... + 7890574.

It is an arithmetic number, because the mean of its divisors is an integer number (299832000).

Almost surely, 212221300200 is an apocalyptic number.

12221300200 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 12221300200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14391936000).

12221300200 is an abundant number, since it is smaller than the sum of its proper divisors (16562571800).

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

12221300200 is a wasteful number, since it uses less digits than its factorization.

12221300200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051 (or 2042 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12221300200 its reverse (200312221), we get a palindrome (12421612421).

The spelling of 12221300200 in words is "twelve billion, two hundred twenty-one million, three hundred thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 103 200 206 383 412 515 766 824 1030 1532 1549 1915 2060 2575 3064 3098 3830 4120 5150 6196 7660 7745 9575 10300 12392 15320 15490 19150 20600 30980 38300 38725 39449 61960 76600 77450 78898 154900 157796 159547 197245 309800 315592 319094 394490 593267 638188 788980 797735 986225 1186534 1276376 1577960 1595470 1972450 2373068 2966335 3190940 3944900 3988675 4746136 5932670 6381880 7889800 7977350 11865340 14831675 15954700 23730680 29663350 31909400 59326700 61106501 118653400 122213002 244426004 305532505 488852008 611065010 1222130020 1527662525 2444260040 3055325050 6110650100 12221300200