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121342522471 is a prime number
BaseRepresentation
bin111000100000010010…
…0111111010001100111
3102121012120100211002221
41301000210333101213
53442002141204341
6131424411213211
711523660265042
oct1610044772147
9377176324087
10121342522471
1147508766125
121b625447207
13b59a390071
145c31775c59
153252c94ed1
hex1c4093f467

121342522471 has 2 divisors, whose sum is σ = 121342522472. Its totient is φ = 121342522470.

The previous prime is 121342522451. The next prime is 121342522579. The reversal of 121342522471 is 174225243121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121342522471 - 29 = 121342521959 is a prime.

It is a super-3 number, since 3×1213425224713 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121342522451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60671261235 + 60671261236.

It is an arithmetic number, because the mean of its divisors is an integer number (60671261236).

Almost surely, 2121342522471 is an apocalyptic number.

121342522471 is a deficient number, since it is larger than the sum of its proper divisors (1).

121342522471 is an equidigital number, since it uses as much as digits as its factorization.

121342522471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 34.

Adding to 121342522471 its reverse (174225243121), we get a palindrome (295567765592).

The spelling of 121342522471 in words is "one hundred twenty-one billion, three hundred forty-two million, five hundred twenty-two thousand, four hundred seventy-one".