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122012120100101 = 72112633532438281
BaseRepresentation
bin11011101111100000101001…
…000100111010110100000101
3121000000020121102201202121212
4123233200221010322310011
5111443021310221200401
61111255332201421205
734462041035635100
oct3357405104726405
9530006542652555
10122012120100101
113597105aa46650
121182692419a805
1353109029861ba
14221b5bd481737
15e18c366c8dbb
hex6ef82913ad05

122012120100101 has 48 divisors (see below), whose sum is σ = 155864504492928. Its totient is φ = 94444532582400.

The previous prime is 122012120100071. The next prime is 122012120100121. The reversal of 122012120100101 is 101001021210221.

It is not a de Polignac number, because 122012120100101 - 218 = 122012119837957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012120100121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48821081 + ... + 51259361.

It is an arithmetic number, because the mean of its divisors is an integer number (3247177176936).

Almost surely, 2122012120100101 is an apocalyptic number.

122012120100101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122012120100101 is a deficient number, since it is larger than the sum of its proper divisors (33852384392827).

122012120100101 is a wasteful number, since it uses less digits than its factorization.

122012120100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438922 (or 2438915 counting only the distinct ones).

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

Adding to 122012120100101 its reverse (101001021210221), we get a palindrome (223013141310322).

The spelling of 122012120100101 in words is "one hundred twenty-two trillion, twelve billion, one hundred twenty million, one hundred thousand, one hundred one".

Divisors: 1 7 11 49 77 263 353 539 1841 2471 2893 3883 12887 17297 20251 27181 92839 141757 190267 649873 1021229 2438281 4549111 7148603 17067967 26821091 50040221 119475769 187747637 641267903 860713193 1314233459 4488875321 6024992351 7053946933 9467845123 31422127247 42174946457 49377628531 66274915861 226367569759 345643399717 463924411027 1584572988313 2490043267349 11092010918191 17430302871443 122012120100101