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12200002111220 = 22571128128192453
BaseRepresentation
bin1011000110001000100011…
…0010101100011011110100
31121012022100010100001100012
42301202020302230123310
53044341101020024340
641540334213235352
72366264265631460
oct261421062543364
947168303301305
1012200002111220
113983aa0158210
121450538032b58
136a65bc29a9b1
143026aa08d4a0
1516253b660565
hexb1888cac6f4

12200002111220 has 96 divisors (see below), whose sum is σ = 32055496816896. Its totient is φ = 3789065548800.

The previous prime is 12200002111163. The next prime is 12200002111249. The reversal of 12200002111220 is 2211120000221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12200002111195 and 12200002111204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13663487 + ... + 14528966.

It is an arithmetic number, because the mean of its divisors is an integer number (333911425176).

Almost surely, 212200002111220 is an apocalyptic number.

12200002111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200002111220 is an abundant number, since it is smaller than the sum of its proper divisors (19855494705676).

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

12200002111220 is a wasteful number, since it uses less digits than its factorization.

12200002111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28192761 (or 28192759 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12200002111220 its reverse (2211120000221), we get a palindrome (14411122111441).

The spelling of 12200002111220 in words is "twelve trillion, two hundred billion, two million, one hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 281 308 385 562 770 1124 1405 1540 1967 2810 3091 3934 5620 6182 7868 9835 12364 15455 19670 21637 30910 39340 43274 61820 86548 108185 216370 432740 28192453 56384906 112769812 140962265 197347171 281924530 310116983 394694342 563849060 620233966 789388684 986735855 1240467932 1550584915 1973471710 2170818881 3101169830 3946943420 4341637762 6202339660 7922079293 8683275524 10854094405 15844158586 21708188810 31688317172 39610396465 43416377620 55454555051 79220792930 87142872223 110909110102 158441585860 174285744446 221818220204 277272775255 348571488892 435714361115 554545550510 610000105561 871428722230 1109091101020 1220000211122 1742857444460 2440000422244 3050000527805 6100001055610 12200002111220