def PNT2Tidal_Pv12(XA):
  """ TaylorT2 1PN Quadrupolar Tidal Coefficient, v^12 Phasing Term. 

   XA = mass fraction of object """

  XATo2nd = XA*XA
  XATo3rd = XATo2nd*XA
  return (15895)/(56)-(4595*XA)/(56) - (5715*XATo2nd)/(28)+(325*XATo3rd)/(14)