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121216021483 is a prime number
BaseRepresentation
bin111000011100100001…
…0011011001111101011
3102120212202022220101011
41300321002123033223
53441222300141413
6131404052004351
711520563116354
oct1607102331753
9376782286334
10121216021483
1147453314057
121b5ab0006b7
13b57a0cb0cb
145c1ca46d2b
153246b0833d
hex1c3909b3eb

121216021483 has 2 divisors, whose sum is σ = 121216021484. Its totient is φ = 121216021482.

The previous prime is 121216021481. The next prime is 121216021523. The reversal of 121216021483 is 384120612121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121216021483 - 21 = 121216021481 is a prime.

Together with 121216021481, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (121216021481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60608010741 + 60608010742.

It is an arithmetic number, because the mean of its divisors is an integer number (60608010742).

Almost surely, 2121216021483 is an apocalyptic number.

121216021483 is a deficient number, since it is larger than the sum of its proper divisors (1).

121216021483 is an equidigital number, since it uses as much as digits as its factorization.

121216021483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 121216021483 in words is "one hundred twenty-one billion, two hundred sixteen million, twenty-one thousand, four hundred eighty-three".