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12020101121001 = 321185322261549
BaseRepresentation
bin1010111011101010010111…
…0110111000001111101001
31120120002222111212211222110
42232322211312320033221
53033414131341333001
641321542550512533
72350265211510561
oct256724566701751
946502874784873
1012020101121001
1139147727a05a6
1214216ab665749
1369264c01131c
142d7ac14a7da1
1515ca0c9b33d6
hexaeea5db83e9

12020101121001 has 16 divisors (see below), whose sum is σ = 16121636417600. Its totient is φ = 7966072336320.

The previous prime is 12020101120943. The next prime is 12020101121047. The reversal of 12020101121001 is 10012110102021.

It is not a de Polignac number, because 12020101121001 - 211 = 12020101118953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020101121081) 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, 10590826 + ... + 11670723.

It is an arithmetic number, because the mean of its divisors is an integer number (1007602276100).

Almost surely, 212020101121001 is an apocalyptic number.

It is an amenable number.

12020101121001 is a deficient number, since it is larger than the sum of its proper divisors (4101535296599).

12020101121001 is a wasteful number, since it uses less digits than its factorization.

12020101121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22262616.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12020101121001 its reverse (10012110102021), we get a palindrome (22032211223022).

The spelling of 12020101121001 in words is "twelve trillion, twenty billion, one hundred one million, one hundred twenty-one thousand, one".

Divisors: 1 3 211 633 853 2559 179983 539949 22261549 66784647 4697186839 14091560517 18989101297 56967303891 4006700373667 12020101121001