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12212113330120 = 23511224331237231
BaseRepresentation
bin1011000110110101101010…
…1011010100111111001000
31121020110121011201201100011
42301231122223110333020
53100040402003030440
641550100054521304
72400203360404534
oct261553253247710
947213534651304
1012212113330120
113989145673230
121452958066234
136a779c4a3602
143030d877cbc4
151629e9a4e9ea
hexb1b5aad4fc8

12212113330120 has 64 divisors (see below), whose sum is σ = 29976547703040. Its totient is φ = 4440566937600.

The previous prime is 12212113330063. The next prime is 12212113330121. The reversal of 12212113330120 is 2103331121221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 12212113330091 and 12212113330100.

It is not an unprimeable number, because it can be changed into a prime (12212113330121) 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, 9251905 + ... + 10489135.

It is an arithmetic number, because the mean of its divisors is an integer number (468383557860).

Almost surely, 212212113330120 is an apocalyptic number.

12212113330120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212113330120 is an abundant number, since it is smaller than the sum of its proper divisors (17764434372920).

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

12212113330120 is a wasteful number, since it uses less digits than its factorization.

12212113330120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259686 (or 1259682 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12212113330120 its reverse (2103331121221), we get a palindrome (14315444451341).

The spelling of 12212113330120 in words is "twelve trillion, two hundred twelve billion, one hundred thirteen million, three hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 22433 44866 89732 112165 179464 224330 246763 448660 493526 897320 987052 1233815 1237231 1974104 2467630 2474462 4935260 4948924 6186155 9870520 9897848 12372310 13609541 24744620 27219082 49489240 54438164 68047705 108876328 136095410 272190820 544381640 27754803023 55509606046 111019212092 138774015115 222038424184 277548030230 305302833253 555096060460 610605666506 1110192120920 1221211333012 1526514166265 2442422666024 3053028332530 6106056665060 12212113330120