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121334435471 is a prime number
BaseRepresentation
bin111000100000000011…
…0001000111010001111
3102121012000010221211102
41301000012020322033
53441443103413341
6131423522013315
711523531453554
oct1610006107217
9377160127742
10121334435471
1147504142257
121b6227a723b
13b5987bb162
145c3066ca2b
1532521e8c9b
hex1c40188e8f

121334435471 has 2 divisors, whose sum is σ = 121334435472. Its totient is φ = 121334435470.

The previous prime is 121334435449. The next prime is 121334435491. The reversal of 121334435471 is 174534433121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121334435471 - 234 = 104154566287 is a prime.

It is a super-3 number, since 3×1213344354713 (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 (121334435491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60667217735 + 60667217736.

It is an arithmetic number, because the mean of its divisors is an integer number (60667217736).

Almost surely, 2121334435471 is an apocalyptic number.

121334435471 is a deficient number, since it is larger than the sum of its proper divisors (1).

121334435471 is an equidigital number, since it uses as much as digits as its factorization.

121334435471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 38.

Adding to 121334435471 its reverse (174534433121), we get a palindrome (295868868592).

The spelling of 121334435471 in words is "one hundred twenty-one billion, three hundred thirty-four million, four hundred thirty-five thousand, four hundred seventy-one".