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12230121012120 = 233251112277251561
BaseRepresentation
bin1011000111111000110000…
…0001001011101110011000
31121022012002011100202002100
42301332030001023232120
53100334241434341440
642002235014003400
72401411541233254
oct261761401135630
947265064322070
1012230121012120
113995846522250
121456342946560
136a93ac19364b
14303d26209264
15163200924230
hexb1f8c04bb98

12230121012120 has 192 divisors, whose sum is σ = 43365042433440. Its totient is φ = 2964624537600.

The previous prime is 12230121012091. The next prime is 12230121012311. The reversal of 12230121012120 is 2121012103221.

12230121012120 is a `hidden beast` number, since 1 + 22 + 301 + 210 + 12 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12230121012093 and 12230121012102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48491140 + ... + 48742700.

Almost surely, 212230121012120 is an apocalyptic number.

12230121012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12230121012120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21682521216720).

12230121012120 is an abundant number, since it is smaller than the sum of its proper divisors (31134921421320).

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

12230121012120 is a wasteful number, since it uses less digits than its factorization.

12230121012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263866 (or 263859 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12230121012120 its reverse (2121012103221), we get a palindrome (14351133115341).

The spelling of 12230121012120 in words is "twelve trillion, two hundred thirty billion, one hundred twenty-one million, twelve thousand, one hundred twenty".