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12200221101216 = 2531913748822757
BaseRepresentation
bin1011000110001001010111…
…0110000100110010100000
31121012022220101101220010210
42301202111312010302200
53044342023100214331
641540412035054120
72366302565210331
oct261422566046240
947168811356123
1012200221101216
1139840a2830685
121450599441340
136a6625773785
143026cb1b6288
151625509bb446
hexb1895d84ca0

12200221101216 has 96 divisors (see below), whose sum is σ = 33957204644160. Its totient is φ = 3824579414016.

The previous prime is 12200221101181. The next prime is 12200221101217. The reversal of 12200221101216 is 61210112200221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×122002211012162 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12200221101192 and 12200221101201.

It is not an unprimeable number, because it can be changed into a prime (12200221101217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24161491 + ... + 24661266.

It is an arithmetic number, because the mean of its divisors is an integer number (353720881710).

Almost surely, 212200221101216 is an apocalyptic number.

12200221101216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12200221101216 is an abundant number, since it is smaller than the sum of its proper divisors (21756983542944).

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

12200221101216 is a wasteful number, since it uses less digits than its factorization.

12200221101216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48822926 (or 48822918 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 12200221101216 its reverse (61210112200221), we get a palindrome (73410333301437).

The spelling of 12200221101216 in words is "twelve trillion, two hundred billion, two hundred twenty-one million, one hundred one thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 137 152 228 274 304 411 456 548 608 822 912 1096 1644 1824 2192 2603 3288 4384 5206 6576 7809 10412 13152 15618 20824 31236 41648 62472 83296 124944 249888 48822757 97645514 146468271 195291028 292936542 390582056 585873084 781164112 927632383 1171746168 1562328224 1855264766 2343492336 2782897149 3710529532 4686984672 5565794298 6688717709 7421059064 11131588596 13377435418 14842118128 20066153127 22263177192 26754870836 29684236256 40132306254 44526354384 53509741672 80264612508 89052708768 107019483344 127085636471 160529225016 214038966688 254171272942 321058450032 381256909413 508342545884 642116900064 762513818826 1016685091768 1525027637652 2033370183536 3050055275304 4066740367072 6100110550608 12200221101216