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121217067071 = 4114292068939
BaseRepresentation
bin111000011100100011…
…0011010100000111111
3102120212211022000122122
41300321012122200333
53441223032121241
6131404130233155
711520605032622
oct1607106324077
9376784260578
10121217067071
1147453968681
121b5ab4257bb
13b57a3a5cb9
145c1cc39db9
153246c6304b
hex1c3919a83f

121217067071 has 8 divisors (see below), whose sum is σ = 124260536400. Its totient is φ = 118177738560.

The previous prime is 121217067031. The next prime is 121217067151. The reversal of 121217067071 is 170760712121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121217067071 - 26 = 121217067007 is a prime.

It is a super-3 number, since 3×1212170670713 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121217067001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975881 + ... + 1093058.

It is an arithmetic number, because the mean of its divisors is an integer number (15532567050).

Almost surely, 2121217067071 is an apocalyptic number.

121217067071 is a deficient number, since it is larger than the sum of its proper divisors (3043469329).

121217067071 is a wasteful number, since it uses less digits than its factorization.

121217067071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070409.

The product of its (nonzero) digits is 8232, while the sum is 35.

Adding to 121217067071 its reverse (170760712121), we get a palindrome (291977779192).

The spelling of 121217067071 in words is "one hundred twenty-one billion, two hundred seventeen million, sixty-seven thousand, seventy-one".

Divisors: 1 41 1429 58589 2068939 84826499 2956513831 121217067071