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12230121332112 = 2432311078008453
BaseRepresentation
bin1011000111111000110000…
…0010011001110110010000
31121022012002011222000000220
42301332030002121312100
53100334242030111422
642002235024513040
72401411544035215
oct261761402316620
947265064860026
1012230121332112
113995846720702
121456342a7b780
136a93ac2761a8
14303d2628db0c
15163200988e5c
hexb1f8c099d90

12230121332112 has 40 divisors (see below), whose sum is σ = 32968153159104. Its totient is φ = 3899458975104.

The previous prime is 12230121332111. The next prime is 12230121332141. The reversal of 12230121332112 is 21123312103221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12230121332111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5539003123 + ... + 5539005330.

Almost surely, 212230121332112 is an apocalyptic number.

12230121332112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12230121332112 is an abundant number, since it is smaller than the sum of its proper divisors (20738031826992).

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

12230121332112 is a wasteful number, since it uses less digits than its factorization.

12230121332112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11078008487 (or 11078008481 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12230121332112 its reverse (21123312103221), we get a palindrome (33353433435333).

The spelling of 12230121332112 in words is "twelve trillion, two hundred thirty billion, one hundred twenty-one million, three hundred thirty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 11078008453 22156016906 33234025359 44312033812 66468050718 88624067624 132936101436 177248135248 254794194419 265872202872 509588388838 531744405744 764382583257 1019176777676 1528765166514 2038353555352 3057530333028 4076707110704 6115060666056 12230121332112