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12200221022320 = 2451309911642321
BaseRepresentation
bin1011000110001001010111…
…0101110001100001110000
31121012022220101020212220201
42301202111311301201300
53044342023040203240
641540412033244544
72366302564431322
oct261422565614160
947168811225821
1012200221022320
1139840a2787381
121450599403754
136a66257468a6
143026cb195612
151625509a2d9a
hexb1895d71870

12200221022320 has 40 divisors (see below), whose sum is σ = 28367681785200. Its totient is φ = 4879715435520.

The previous prime is 12200221022287. The next prime is 12200221022491. The reversal of 12200221022320 is 2322012200221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4773241 + ... + 6869080.

It is an arithmetic number, because the mean of its divisors is an integer number (709192044630).

Almost surely, 212200221022320 is an apocalyptic number.

12200221022320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200221022320 is an abundant number, since it is smaller than the sum of its proper divisors (16167460762880).

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

12200221022320 is a wasteful number, since it uses less digits than its factorization.

12200221022320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11655433 (or 11655427 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12200221022320 its reverse (2322012200221), we get a palindrome (14522233222541).

The spelling of 12200221022320 in words is "twelve trillion, two hundred billion, two hundred twenty-one million, twenty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 13099 26198 52396 65495 104792 130990 209584 261980 523960 1047920 11642321 23284642 46569284 58211605 93138568 116423210 186277136 232846420 465692840 931385680 152502762779 305005525558 610011051116 762513813895 1220022102232 1525027627790 2440044204464 3050055255580 6100110511160 12200221022320