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12000112112021 = 1182910103130253
BaseRepresentation
bin1010111010011111111001…
…1010110111000110010101
31120111012101110000222120112
42232213332122313012111
53033102212200041041
641304435253012405
72345656651651505
oct256477632670625
946435343028515
1012000112112021
113907245499270
121419851324105
136907b49b4367
142d6b46843a05
1515c23cbb8deb
hexae9fe6b7195

12000112112021 has 16 divisors (see below), whose sum is σ = 13108220703360. Its totient is φ = 10894871229120.

The previous prime is 12000112111993. The next prime is 12000112112047. The reversal of 12000112112021 is 12021121100021.

It is a cyclic number.

It is not a de Polignac number, because 12000112112021 - 210 = 12000112110997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000112111987 and 12000112112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000112112321) 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, 92064131 + ... + 92194383.

It is an arithmetic number, because the mean of its divisors is an integer number (819263793960).

Almost surely, 212000112112021 is an apocalyptic number.

12000112112021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12000112112021 is a deficient number, since it is larger than the sum of its proper divisors (1108108591339).

12000112112021 is a wasteful number, since it uses less digits than its factorization.

12000112112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141196.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12000112112021 its reverse (12021121100021), we get a palindrome (24021233212042).

The spelling of 12000112112021 in words is "twelve trillion, one hundred twelve million, one hundred twelve thousand, twenty-one".

Divisors: 1 11 829 9119 10103 111133 130253 1432783 8375387 92129257 107979737 1187777107 1315946059 14475406649 1090919282911 12000112112021